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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_http.h>
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11
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12
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13 static void ngx_http_init_request(ngx_event_t *ev);
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14 static void ngx_http_process_request_line(ngx_event_t *rev);
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15 static void ngx_http_process_request_headers(ngx_event_t *rev);
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16 static ssize_t ngx_http_read_request_header(ngx_http_request_t *r);
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17 static ngx_int_t ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
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50
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18 ngx_uint_t request_line);
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58
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19
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20 static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r,
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21 ngx_table_elt_t *h, ngx_uint_t offset);
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72
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22 static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r,
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23 ngx_table_elt_t *h, ngx_uint_t offset);
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336
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24 static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r,
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25 ngx_table_elt_t *h, ngx_uint_t offset);
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58
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26 static ngx_int_t ngx_http_process_cookie(ngx_http_request_t *r,
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27 ngx_table_elt_t *h, ngx_uint_t offset);
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28
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0
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29 static ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
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308
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30 static void ngx_http_process_request(ngx_http_request_t *r);
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306
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31 static void ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host,
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32 size_t len, ngx_uint_t hash);
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0
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33
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58
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34 static void ngx_http_request_handler(ngx_event_t *ev);
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74
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35 static ngx_int_t ngx_http_set_write_handler(ngx_http_request_t *r);
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58
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36 static void ngx_http_writer(ngx_http_request_t *r);
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37
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326
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38 static void ngx_http_test_reading(ngx_http_request_t *r);
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0
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39 static void ngx_http_set_keepalive(ngx_http_request_t *r);
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40 static void ngx_http_keepalive_handler(ngx_event_t *ev);
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41 static void ngx_http_set_lingering_close(ngx_http_request_t *r);
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42 static void ngx_http_lingering_close_handler(ngx_event_t *ev);
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162
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43 static ngx_int_t ngx_http_post_action(ngx_http_request_t *r);
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80
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44 static void ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error);
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118
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45 static void ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error);
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80
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46 static void ngx_http_close_connection(ngx_connection_t *c);
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0
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47
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32
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48 static u_char *ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len);
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214
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49 static u_char *ngx_http_log_error_handler(ngx_http_request_t *r,
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50 ngx_http_request_t *sr, u_char *buf, size_t len);
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0
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51
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88
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52 #if (NGX_HTTP_SSL)
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53 static void ngx_http_ssl_handshake(ngx_event_t *rev);
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96
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54 static void ngx_http_ssl_handshake_handler(ngx_connection_t *c);
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88
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55 #endif
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56
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0
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57
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54
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58 static char *ngx_http_client_errors[] = {
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59
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60 /* NGX_HTTP_PARSE_INVALID_METHOD */
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61 "client sent invalid method",
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62
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63 /* NGX_HTTP_PARSE_INVALID_REQUEST */
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64 "client sent invalid request",
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65
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66 /* NGX_HTTP_PARSE_INVALID_09_METHOD */
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67 "client sent invalid method in HTTP/0.9 request"
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0
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68 };
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69
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70
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71 ngx_http_header_t ngx_http_headers_in[] = {
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58
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72 { ngx_string("Host"), offsetof(ngx_http_headers_in_t, host),
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72
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73 ngx_http_process_unique_header_line },
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58
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74
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75 { ngx_string("Connection"), offsetof(ngx_http_headers_in_t, connection),
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336
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76 ngx_http_process_connection },
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58
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77
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0
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78 { ngx_string("If-Modified-Since"),
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58
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79 offsetof(ngx_http_headers_in_t, if_modified_since),
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332
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80 ngx_http_process_unique_header_line },
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58
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81
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82 { ngx_string("User-Agent"), offsetof(ngx_http_headers_in_t, user_agent),
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83 ngx_http_process_header_line },
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84
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85 { ngx_string("Referer"), offsetof(ngx_http_headers_in_t, referer),
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86 ngx_http_process_header_line },
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87
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0
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88 { ngx_string("Content-Length"),
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58
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89 offsetof(ngx_http_headers_in_t, content_length),
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72
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90 ngx_http_process_unique_header_line },
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58
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91
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28
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92 { ngx_string("Content-Type"),
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58
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93 offsetof(ngx_http_headers_in_t, content_type),
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94 ngx_http_process_header_line },
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95
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96 { ngx_string("Range"), offsetof(ngx_http_headers_in_t, range),
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97 ngx_http_process_header_line },
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98
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346
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99 { ngx_string("If-Range"),
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100 offsetof(ngx_http_headers_in_t, if_range),
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101 ngx_http_process_unique_header_line },
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102
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130
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103 { ngx_string("Transfer-Encoding"),
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104 offsetof(ngx_http_headers_in_t, transfer_encoding),
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105 ngx_http_process_header_line },
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106
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0
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107 #if (NGX_HTTP_GZIP)
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108 { ngx_string("Accept-Encoding"),
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58
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109 offsetof(ngx_http_headers_in_t, accept_encoding),
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110 ngx_http_process_header_line },
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111
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112 { ngx_string("Via"), offsetof(ngx_http_headers_in_t, via),
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113 ngx_http_process_header_line },
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0
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114 #endif
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115
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116 { ngx_string("Authorization"),
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58
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117 offsetof(ngx_http_headers_in_t, authorization),
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72
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118 ngx_http_process_unique_header_line },
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58
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119
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120 { ngx_string("Keep-Alive"), offsetof(ngx_http_headers_in_t, keep_alive),
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121 ngx_http_process_header_line },
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0
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122
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122
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123 #if (NGX_HTTP_PROXY || NGX_HTTP_REALIP)
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0
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124 { ngx_string("X-Forwarded-For"),
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58
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125 offsetof(ngx_http_headers_in_t, x_forwarded_for),
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126 ngx_http_process_header_line },
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0
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127 #endif
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28
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128
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122
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129 #if (NGX_HTTP_REALIP)
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130 { ngx_string("X-Real-IP"),
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131 offsetof(ngx_http_headers_in_t, x_real_ip),
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132 ngx_http_process_header_line },
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133 #endif
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134
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38
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135 #if (NGX_HTTP_HEADERS)
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58
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136 { ngx_string("Accept"), offsetof(ngx_http_headers_in_t, accept),
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137 ngx_http_process_header_line },
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138
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38
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139 { ngx_string("Accept-Language"),
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58
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140 offsetof(ngx_http_headers_in_t, accept_language),
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141 ngx_http_process_header_line },
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38
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142 #endif
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143
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186
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144 #if (NGX_HTTP_DAV)
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145 { ngx_string("Depth"), offsetof(ngx_http_headers_in_t, depth),
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146 ngx_http_process_header_line },
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147
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148 { ngx_string("Destination"), offsetof(ngx_http_headers_in_t, destination),
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149 ngx_http_process_header_line },
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230
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150
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276
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151 { ngx_string("Overwrite"), offsetof(ngx_http_headers_in_t, overwrite),
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152 ngx_http_process_header_line },
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153
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230
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154 { ngx_string("Date"), offsetof(ngx_http_headers_in_t, date),
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155 ngx_http_process_header_line },
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186
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156 #endif
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157
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58
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158 { ngx_string("Cookie"), 0, ngx_http_process_cookie },
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159
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160 { ngx_null_string, 0, NULL }
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0
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161 };
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162
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163
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50
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164 void
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165 ngx_http_init_connection(ngx_connection_t *c)
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0
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166 {
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167 ngx_event_t *rev;
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168 ngx_http_log_ctx_t *ctx;
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169
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50
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170 ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
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171 if (ctx == NULL) {
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0
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172 ngx_http_close_connection(c);
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173 return;
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174 }
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175
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362
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176 ctx->connection = c;
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10
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177 ctx->request = NULL;
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214
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178 ctx->current_request = NULL;
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32
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179
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180 c->log->connection = c->number;
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181 c->log->handler = ngx_http_log_error;
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0
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182 c->log->data = ctx;
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32
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183 c->log->action = "reading client request line";
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184
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0
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185 c->log_error = NGX_ERROR_INFO;
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186
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187 rev = c->read;
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58
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188 rev->handler = ngx_http_init_request;
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118
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189 c->write->handler = ngx_http_empty_handler;
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0
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190
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116
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191 #if (NGX_STAT_STUB)
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192 ngx_atomic_fetch_add(ngx_stat_reading, 1);
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193 #endif
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194
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0
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195 if (rev->ready) {
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196 /* the deferred accept(), rtsig, aio, iocp */
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197
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160
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198 if (ngx_use_accept_mutex) {
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112
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199 ngx_post_event(rev, &ngx_posted_events);
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0
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200 return;
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201 }
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202
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203 ngx_http_init_request(rev);
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204 return;
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205 }
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206
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207 ngx_add_timer(rev, c->listening->post_accept_timeout);
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208
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209 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
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116
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210 #if (NGX_STAT_STUB)
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211 ngx_atomic_fetch_add(ngx_stat_reading, -1);
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212 #endif
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0
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213 ngx_http_close_connection(c);
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214 return;
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215 }
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216 }
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217
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218
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190
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219 static void
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220 ngx_http_init_request(ngx_event_t *rev)
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0
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221 {
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298
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222 ngx_time_t *tp;
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122
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223 ngx_uint_t i;
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224 ngx_connection_t *c;
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225 ngx_http_request_t *r;
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142
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226 ngx_http_in_port_t *hip;
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227 ngx_http_in_addr_t *hia;
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122
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228 ngx_http_log_ctx_t *ctx;
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229 ngx_http_connection_t *hc;
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230 ngx_http_core_srv_conf_t *cscf;
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231 ngx_http_core_loc_conf_t *clcf;
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232 ngx_http_core_main_conf_t *cmcf;
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0
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233
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116
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234 #if (NGX_STAT_STUB)
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235 ngx_atomic_fetch_add(ngx_stat_reading, -1);
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236 #endif
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237
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0
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238 c = rev->data;
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239
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240 if (rev->timedout) {
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241 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
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242
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243 ngx_http_close_connection(c);
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244 return;
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245 }
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246
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247 hc = c->data;
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248
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116
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249 if (hc == NULL) {
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50
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250 hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t));
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251 if (hc == NULL) {
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0
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252 ngx_http_close_connection(c);
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253 return;
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254 }
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255 }
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256
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257 r = hc->request;
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258
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259 if (r) {
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260 ngx_memzero(r, sizeof(ngx_http_request_t));
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261
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262 r->pipeline = hc->pipeline;
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263
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264 if (hc->nbusy) {
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265 r->header_in = hc->busy[0];
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266 }
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267
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268 } else {
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50
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269 r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t));
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270 if (r == NULL) {
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0
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271 ngx_http_close_connection(c);
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272 return;
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273 }
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274
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275 hc->request = r;
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276 }
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277
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278 c->data = r;
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279 r->http_connection = hc;
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280
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281 c->sent = 0;
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282 r->signature = NGX_HTTP_MODULE;
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283
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284 /* find the server configuration for the address:port */
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285
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286 /* AF_INET only */
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287
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190
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288 hip = c->listening->servers;
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142
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289 hia = hip->addrs;
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290
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291 r->port = hip->port;
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292 r->port_text = &hip->port_text;
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0
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293
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294 i = 0;
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295
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362
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296 r->connection = c;
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297
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142
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298 if (hip->naddrs > 1) {
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0
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299
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300 /*
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301 * There are several addresses on this port and one of them
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302 * is the "*:port" wildcard so getsockname() is needed to determine
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303 * the server address.
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304 *
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362
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305 * AcceptEx() already has given this address.
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0
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306 */
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307
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10
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308 #if (NGX_WIN32)
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0
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309 if (c->local_sockaddr) {
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310 r->in_addr =
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311 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr;
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312
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28
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313 } else
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0
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314 #endif
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28
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315 {
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362
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316 if (ngx_http_server_addr(r, NULL) != NGX_OK) {
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0
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317 ngx_http_close_connection(c);
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318 return;
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319 }
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320 }
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321
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190
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322 /* the last address is "*" */
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0
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323
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142
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324 for ( /* void */ ; i < hip->naddrs - 1; i++) {
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325 if (hia[i].addr == r->in_addr) {
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0
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326 break;
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327 }
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328 }
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329
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330 } else {
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142
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331 r->in_addr = hia[0].addr;
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0
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332 }
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333
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142
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334 r->virtual_names = hia[i].virtual_names;
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0
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335
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336 /* the default server configuration for the address:port */
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142
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337 cscf = hia[i].core_srv_conf;
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0
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338
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339 r->main_conf = cscf->ctx->main_conf;
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340 r->srv_conf = cscf->ctx->srv_conf;
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341 r->loc_conf = cscf->ctx->loc_conf;
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342
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58
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343 rev->handler = ngx_http_process_request_line;
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0
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344
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345 #if (NGX_HTTP_SSL)
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346
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356
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347 {
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348 ngx_http_ssl_srv_conf_t *sscf;
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349
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0
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350 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
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351 if (sscf->enable) {
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352
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353 if (c->ssl == NULL) {
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96
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354 if (ngx_ssl_create_connection(&sscf->ssl, c, NGX_SSL_BUFFER)
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56
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355 == NGX_ERROR)
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0
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356 {
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357 ngx_http_close_connection(c);
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358 return;
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359 }
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360
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58
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361 rev->handler = ngx_http_ssl_handshake;
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0
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362 }
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363
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62
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364 r->main_filter_need_in_memory = 1;
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0
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365 }
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356
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366 }
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0
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367
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|
|
368 #endif
|
|
|
369
|
|
|
370 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
371 c->log->file = clcf->err_log->file;
|
|
|
372 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
373 c->log->log_level = clcf->err_log->log_level;
|
|
|
374 }
|
|
|
375
|
|
|
376 if (c->buffer == NULL) {
|
|
|
377 c->buffer = ngx_create_temp_buf(c->pool,
|
|
|
378 cscf->client_header_buffer_size);
|
|
|
379 if (c->buffer == NULL) {
|
|
|
380 ngx_http_close_connection(c);
|
|
|
381 return;
|
|
|
382 }
|
|
|
383 }
|
|
|
384
|
|
|
385 if (r->header_in == NULL) {
|
|
|
386 r->header_in = c->buffer;
|
|
|
387 }
|
|
|
388
|
|
50
|
389 r->pool = ngx_create_pool(cscf->request_pool_size, c->log);
|
|
|
390 if (r->pool == NULL) {
|
|
0
|
391 ngx_http_close_connection(c);
|
|
|
392 return;
|
|
|
393 }
|
|
|
394
|
|
|
395
|
|
|
396 if (ngx_list_init(&r->headers_out.headers, r->pool, 20,
|
|
130
|
397 sizeof(ngx_table_elt_t))
|
|
|
398 == NGX_ERROR)
|
|
0
|
399 {
|
|
|
400 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
401 return;
|
|
|
402 }
|
|
|
403
|
|
|
404 r->ctx = ngx_pcalloc(r->pool, sizeof(void *) * ngx_http_max_module);
|
|
|
405 if (r->ctx == NULL) {
|
|
|
406 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
407 return;
|
|
|
408 }
|
|
|
409
|
|
122
|
410 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
411
|
|
|
412 r->variables = ngx_pcalloc(r->pool, cmcf->variables.nelts
|
|
|
413 * sizeof(ngx_http_variable_value_t));
|
|
|
414 if (r->variables == NULL) {
|
|
|
415 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
416 return;
|
|
|
417 }
|
|
|
418
|
|
0
|
419 c->single_connection = 1;
|
|
132
|
420 c->destroyed = 0;
|
|
|
421
|
|
102
|
422 r->main = r;
|
|
|
423
|
|
298
|
424 tp = ngx_timeofday();
|
|
|
425 r->start_sec = tp->sec;
|
|
|
426 r->start_msec = tp->msec;
|
|
46
|
427
|
|
180
|
428 r->method = NGX_HTTP_UNKNOWN;
|
|
|
429
|
|
0
|
430 r->headers_in.content_length_n = -1;
|
|
|
431 r->headers_in.keep_alive_n = -1;
|
|
|
432 r->headers_out.content_length_n = -1;
|
|
|
433 r->headers_out.last_modified_time = -1;
|
|
|
434
|
|
226
|
435 r->uri_changes = NGX_HTTP_MAX_URI_CHANGES + 1;
|
|
|
436 r->subrequests = NGX_HTTP_MAX_SUBREQUESTS + 1;
|
|
|
437
|
|
0
|
438 r->http_state = NGX_HTTP_READING_REQUEST_STATE;
|
|
|
439
|
|
54
|
440 ctx = c->log->data;
|
|
|
441 ctx->request = r;
|
|
214
|
442 ctx->current_request = r;
|
|
58
|
443 r->log_handler = ngx_http_log_error_handler;
|
|
54
|
444
|
|
0
|
445 #if (NGX_STAT_STUB)
|
|
110
|
446 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
26
|
447 r->stat_reading = 1;
|
|
110
|
448 ngx_atomic_fetch_add(ngx_stat_requests, 1);
|
|
0
|
449 #endif
|
|
|
450
|
|
58
|
451 rev->handler(rev);
|
|
0
|
452 }
|
|
|
453
|
|
|
454
|
|
|
455 #if (NGX_HTTP_SSL)
|
|
|
456
|
|
50
|
457 static void
|
|
|
458 ngx_http_ssl_handshake(ngx_event_t *rev)
|
|
0
|
459 {
|
|
10
|
460 u_char buf[1];
|
|
|
461 ssize_t n;
|
|
0
|
462 ngx_int_t rc;
|
|
|
463 ngx_connection_t *c;
|
|
|
464 ngx_http_request_t *r;
|
|
|
465
|
|
|
466 c = rev->data;
|
|
|
467 r = c->data;
|
|
|
468
|
|
|
469 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
470 "http check ssl handshake");
|
|
|
471
|
|
|
472 if (rev->timedout) {
|
|
54
|
473 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
474 c->timedout = 1;
|
|
|
475 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
476 return;
|
|
|
477 }
|
|
|
478
|
|
132
|
479 n = recv(c->fd, (char *) buf, 1, MSG_PEEK);
|
|
0
|
480
|
|
|
481 if (n == -1 && ngx_socket_errno == NGX_EAGAIN) {
|
|
364
|
482
|
|
|
483 if (!rev->timer_set) {
|
|
|
484 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
485 }
|
|
|
486
|
|
|
487 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
488 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
489 }
|
|
|
490
|
|
0
|
491 return;
|
|
|
492 }
|
|
|
493
|
|
|
494 if (n == 1) {
|
|
|
495 if (buf[0] == 0x80 /* SSLv2 */ || buf[0] == 0x16 /* SSLv3/TLSv1 */) {
|
|
|
496 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
10
|
497 "https ssl handshake: 0x%02Xd", buf[0]);
|
|
0
|
498
|
|
|
499 rc = ngx_ssl_handshake(c);
|
|
|
500
|
|
96
|
501 if (rc == NGX_AGAIN) {
|
|
362
|
502
|
|
|
503 if (!rev->timer_set) {
|
|
|
504 ngx_add_timer(rev, c->listening->post_accept_timeout);
|
|
|
505 }
|
|
|
506
|
|
96
|
507 c->ssl->handler = ngx_http_ssl_handshake_handler;
|
|
0
|
508 return;
|
|
|
509 }
|
|
|
510
|
|
96
|
511 ngx_http_ssl_handshake_handler(c);
|
|
|
512
|
|
|
513 return;
|
|
0
|
514
|
|
|
515 } else {
|
|
|
516 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
517 "plain http");
|
|
|
518
|
|
|
519 r->plain_http = 1;
|
|
|
520 }
|
|
|
521 }
|
|
|
522
|
|
58
|
523 rev->handler = ngx_http_process_request_line;
|
|
0
|
524 ngx_http_process_request_line(rev);
|
|
|
525 }
|
|
|
526
|
|
96
|
527
|
|
|
528 static void
|
|
|
529 ngx_http_ssl_handshake_handler(ngx_connection_t *c)
|
|
|
530 {
|
|
|
531 ngx_http_request_t *r;
|
|
|
532
|
|
|
533 if (c->ssl->handshaked) {
|
|
|
534
|
|
|
535 /*
|
|
|
536 * The majority of browsers do not send the "close notify" alert.
|
|
|
537 * Among them are MSIE, old Mozilla, Netscape 4, Konqueror,
|
|
|
538 * and Links. And what is more, MSIE ignores the server's alert.
|
|
|
539 *
|
|
|
540 * Opera and recent Mozilla send the alert.
|
|
|
541 */
|
|
|
542
|
|
|
543 c->ssl->no_wait_shutdown = 1;
|
|
|
544
|
|
|
545 c->read->handler = ngx_http_process_request_line;
|
|
|
546 /* STUB: epoll edge */ c->write->handler = ngx_http_empty_handler;
|
|
|
547
|
|
|
548 ngx_http_process_request_line(c->read);
|
|
|
549
|
|
|
550 return;
|
|
|
551 }
|
|
|
552
|
|
|
553 r = c->data;
|
|
|
554
|
|
|
555 ngx_http_close_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
556
|
|
|
557 return;
|
|
|
558 }
|
|
|
559
|
|
306
|
560 #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
|
|
|
561
|
|
|
562 int
|
|
|
563 ngx_http_ssl_servername(ngx_ssl_conn_t *ssl_conn, int *ad, void *arg)
|
|
|
564 {
|
|
|
565 u_char *p;
|
|
|
566 ngx_uint_t hash;
|
|
|
567 const char *servername;
|
|
|
568 ngx_connection_t *c;
|
|
|
569 ngx_http_request_t *r;
|
|
|
570 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
571
|
|
|
572 servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
|
|
|
573
|
|
|
574 if (servername == NULL) {
|
|
|
575 return SSL_TLSEXT_ERR_NOACK;
|
|
|
576 }
|
|
|
577
|
|
|
578 c = ngx_ssl_get_connection(ssl_conn);
|
|
|
579
|
|
|
580 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
581 "SSL server name: \"%s\"", servername);
|
|
|
582
|
|
|
583 r = c->data;
|
|
|
584
|
|
|
585 if (r->virtual_names == NULL) {
|
|
|
586 return SSL_TLSEXT_ERR_NOACK;
|
|
|
587 }
|
|
|
588
|
|
|
589 /* it seems browsers send low case server name */
|
|
|
590
|
|
|
591 hash = 0;
|
|
|
592
|
|
|
593 for (p = (u_char *) servername; *p; p++) {
|
|
|
594 hash = ngx_hash(hash, *p);
|
|
|
595 }
|
|
|
596
|
|
|
597 ngx_http_find_virtual_server(r, (u_char *) servername,
|
|
|
598 p - (u_char *) servername, hash);
|
|
|
599
|
|
|
600 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
601
|
|
|
602 SSL_set_SSL_CTX(ssl_conn, sscf->ssl.ctx);
|
|
|
603
|
|
|
604 return SSL_TLSEXT_ERR_OK;
|
|
|
605 }
|
|
|
606
|
|
|
607 #endif
|
|
96
|
608
|
|
0
|
609 #endif
|
|
|
610
|
|
|
611
|
|
50
|
612 static void
|
|
|
613 ngx_http_process_request_line(ngx_event_t *rev)
|
|
0
|
614 {
|
|
342
|
615 ssize_t n;
|
|
|
616 ngx_int_t rc, rv;
|
|
|
617 ngx_connection_t *c;
|
|
|
618 ngx_http_request_t *r;
|
|
|
619 ngx_http_core_srv_conf_t *cscf;
|
|
0
|
620
|
|
|
621 c = rev->data;
|
|
|
622 r = c->data;
|
|
|
623
|
|
|
624 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
625 "http process request line");
|
|
|
626
|
|
|
627 if (rev->timedout) {
|
|
54
|
628 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
629 c->timedout = 1;
|
|
|
630 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
631 return;
|
|
|
632 }
|
|
|
633
|
|
|
634 rc = NGX_AGAIN;
|
|
|
635
|
|
|
636 for ( ;; ) {
|
|
|
637
|
|
|
638 if (rc == NGX_AGAIN) {
|
|
|
639 n = ngx_http_read_request_header(r);
|
|
|
640
|
|
|
641 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
642 return;
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 rc = ngx_http_parse_request_line(r, r->header_in);
|
|
|
647
|
|
|
648 if (rc == NGX_OK) {
|
|
|
649
|
|
|
650 /* the request line has been parsed successfully */
|
|
|
651
|
|
10
|
652 r->request_line.len = r->request_end - r->request_start;
|
|
|
653 r->request_line.data = r->request_start;
|
|
|
654
|
|
0
|
655
|
|
|
656 if (r->args_start) {
|
|
|
657 r->uri.len = r->args_start - 1 - r->uri_start;
|
|
|
658 } else {
|
|
|
659 r->uri.len = r->uri_end - r->uri_start;
|
|
|
660 }
|
|
|
661
|
|
18
|
662
|
|
2
|
663 if (r->complex_uri || r->quoted_uri) {
|
|
10
|
664
|
|
50
|
665 r->uri.data = ngx_palloc(r->pool, r->uri.len + 1);
|
|
|
666 if (r->uri.data == NULL) {
|
|
10
|
667 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
668 return;
|
|
|
669 }
|
|
|
670
|
|
342
|
671 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
672
|
|
|
673 rc = ngx_http_parse_complex_uri(r, cscf->merge_slashes);
|
|
0
|
674
|
|
54
|
675 if (rc == NGX_HTTP_PARSE_INVALID_REQUEST) {
|
|
|
676 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
677 "client sent invalid request");
|
|
|
678 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
679 return;
|
|
|
680 }
|
|
|
681
|
|
|
682 } else {
|
|
10
|
683 r->uri.data = r->uri_start;
|
|
0
|
684 }
|
|
|
685
|
|
18
|
686
|
|
10
|
687 r->unparsed_uri.len = r->uri_end - r->uri_start;
|
|
|
688 r->unparsed_uri.data = r->uri_start;
|
|
|
689
|
|
0
|
690
|
|
58
|
691 r->method_name.len = r->method_end - r->request_start + 1;
|
|
|
692 r->method_name.data = r->request_line.data;
|
|
0
|
693
|
|
10
|
694
|
|
28
|
695 if (r->http_protocol.data) {
|
|
|
696 r->http_protocol.len = r->request_end - r->http_protocol.data;
|
|
|
697 }
|
|
|
698
|
|
|
699
|
|
0
|
700 if (r->uri_ext) {
|
|
|
701 if (r->args_start) {
|
|
|
702 r->exten.len = r->args_start - 1 - r->uri_ext;
|
|
|
703 } else {
|
|
|
704 r->exten.len = r->uri_end - r->uri_ext;
|
|
|
705 }
|
|
|
706
|
|
10
|
707 r->exten.data = r->uri_ext;
|
|
0
|
708 }
|
|
|
709
|
|
10
|
710
|
|
0
|
711 if (r->args_start && r->uri_end > r->args_start) {
|
|
|
712 r->args.len = r->uri_end - r->args_start;
|
|
10
|
713 r->args.data = r->args_start;
|
|
0
|
714 }
|
|
|
715
|
|
10
|
716
|
|
|
717 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
718 "http request line: \"%V\"", &r->request_line);
|
|
|
719
|
|
0
|
720 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
721 "http uri: \"%V\"", &r->uri);
|
|
0
|
722
|
|
|
723 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
724 "http args: \"%V\"", &r->args);
|
|
0
|
725
|
|
|
726 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
10
|
727 "http exten: \"%V\"", &r->exten);
|
|
|
728
|
|
0
|
729 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
308
|
730 ngx_http_process_request(r);
|
|
0
|
731 return;
|
|
|
732 }
|
|
|
733
|
|
|
734
|
|
|
735 if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
130
|
736 sizeof(ngx_table_elt_t))
|
|
|
737 == NGX_ERROR)
|
|
0
|
738 {
|
|
|
739 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
740 return;
|
|
|
741 }
|
|
|
742
|
|
|
743
|
|
48
|
744 if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
130
|
745 sizeof(ngx_table_elt_t *))
|
|
|
746 == NGX_ERROR)
|
|
0
|
747 {
|
|
|
748 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
749 return;
|
|
|
750 }
|
|
|
751
|
|
32
|
752 c->log->action = "reading client request headers";
|
|
0
|
753
|
|
58
|
754 rev->handler = ngx_http_process_request_headers;
|
|
0
|
755 ngx_http_process_request_headers(rev);
|
|
|
756
|
|
|
757 return;
|
|
54
|
758 }
|
|
|
759
|
|
|
760 if (rc != NGX_AGAIN) {
|
|
0
|
761
|
|
|
762 /* there was error while a request line parsing */
|
|
|
763
|
|
54
|
764 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
765 ngx_http_client_errors[rc - NGX_HTTP_CLIENT_ERROR]);
|
|
|
766 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
767 return;
|
|
|
768 }
|
|
|
769
|
|
|
770 /* NGX_AGAIN: a request line parsing is still incomplete */
|
|
|
771
|
|
|
772 if (r->header_in->pos == r->header_in->end) {
|
|
|
773
|
|
|
774 rv = ngx_http_alloc_large_header_buffer(r, 1);
|
|
|
775
|
|
|
776 if (rv == NGX_ERROR) {
|
|
|
777 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
778 return;
|
|
|
779 }
|
|
|
780
|
|
|
781 if (rv == NGX_DECLINED) {
|
|
54
|
782 r->request_line.len = r->header_in->end - r->request_start;
|
|
|
783 r->request_line.data = r->request_start;
|
|
|
784
|
|
|
785 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
786 "client sent too long URI");
|
|
|
787 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_URI_TOO_LARGE);
|
|
0
|
788 return;
|
|
|
789 }
|
|
|
790 }
|
|
|
791 }
|
|
|
792 }
|
|
|
793
|
|
|
794
|
|
50
|
795 static void
|
|
|
796 ngx_http_process_request_headers(ngx_event_t *rev)
|
|
0
|
797 {
|
|
56
|
798 ssize_t n;
|
|
|
799 ngx_int_t rc, rv;
|
|
|
800 ngx_str_t header;
|
|
198
|
801 ngx_uint_t i;
|
|
58
|
802 ngx_table_elt_t *h;
|
|
56
|
803 ngx_connection_t *c;
|
|
|
804 ngx_http_header_t *hh;
|
|
|
805 ngx_http_request_t *r;
|
|
60
|
806 ngx_http_core_srv_conf_t *cscf;
|
|
56
|
807 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
808
|
|
|
809 c = rev->data;
|
|
|
810 r = c->data;
|
|
|
811
|
|
|
812 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
|
|
|
813 "http process request header line");
|
|
|
814
|
|
|
815 if (rev->timedout) {
|
|
54
|
816 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
817 c->timedout = 1;
|
|
|
818 ngx_http_close_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
819 return;
|
|
|
820 }
|
|
|
821
|
|
56
|
822 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
60
|
823 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
56
|
824
|
|
0
|
825 rc = NGX_AGAIN;
|
|
|
826
|
|
|
827 for ( ;; ) {
|
|
|
828
|
|
|
829 if (rc == NGX_AGAIN) {
|
|
|
830
|
|
|
831 if (r->header_in->pos == r->header_in->end) {
|
|
|
832
|
|
|
833 rv = ngx_http_alloc_large_header_buffer(r, 0);
|
|
|
834
|
|
|
835 if (rv == NGX_ERROR) {
|
|
|
836 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
837 return;
|
|
|
838 }
|
|
|
839
|
|
|
840 if (rv == NGX_DECLINED) {
|
|
54
|
841 header.len = r->header_in->end - r->header_name_start;
|
|
|
842 header.data = r->header_name_start;
|
|
80
|
843
|
|
|
844 if (header.len > NGX_MAX_ERROR_STR - 300) {
|
|
|
845 header.len = NGX_MAX_ERROR_STR - 300;
|
|
|
846 header.data[header.len++] = '.';
|
|
|
847 header.data[header.len++] = '.';
|
|
|
848 header.data[header.len++] = '.';
|
|
|
849 }
|
|
|
850
|
|
54
|
851 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
852 "client sent too long header line: \"%V\"",
|
|
|
853 &header);
|
|
330
|
854 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
855 return;
|
|
|
856 }
|
|
|
857 }
|
|
|
858
|
|
|
859 n = ngx_http_read_request_header(r);
|
|
|
860
|
|
|
861 if (n == NGX_AGAIN || n == NGX_ERROR) {
|
|
|
862 return;
|
|
|
863 }
|
|
|
864 }
|
|
|
865
|
|
|
866 rc = ngx_http_parse_header_line(r, r->header_in);
|
|
|
867
|
|
|
868 if (rc == NGX_OK) {
|
|
|
869
|
|
60
|
870 if (r->invalid_header && cscf->ignore_invalid_headers) {
|
|
52
|
871
|
|
|
872 /* there was error while a header line parsing */
|
|
|
873
|
|
|
874 header.len = r->header_end - r->header_name_start;
|
|
|
875 header.data = r->header_name_start;
|
|
|
876
|
|
54
|
877 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
878 "client sent invalid header line: \"%V\"",
|
|
52
|
879 &header);
|
|
|
880 continue;
|
|
|
881 }
|
|
|
882
|
|
0
|
883 /* a header line has been parsed successfully */
|
|
|
884
|
|
50
|
885 h = ngx_list_push(&r->headers_in.headers);
|
|
|
886 if (h == NULL) {
|
|
0
|
887 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
888 return;
|
|
|
889 }
|
|
|
890
|
|
56
|
891 h->hash = r->header_hash;
|
|
|
892
|
|
0
|
893 h->key.len = r->header_name_end - r->header_name_start;
|
|
|
894 h->key.data = r->header_name_start;
|
|
|
895 h->key.data[h->key.len] = '\0';
|
|
|
896
|
|
|
897 h->value.len = r->header_end - r->header_start;
|
|
|
898 h->value.data = r->header_start;
|
|
|
899 h->value.data[h->value.len] = '\0';
|
|
|
900
|
|
198
|
901 h->lowcase_key = ngx_palloc(r->pool, h->key.len);
|
|
|
902 if (h->lowcase_key == NULL) {
|
|
|
903 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
904 return;
|
|
|
905 }
|
|
|
906
|
|
|
907 if (h->key.len == r->lowcase_index) {
|
|
|
908 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len);
|
|
|
909
|
|
|
910 } else {
|
|
|
911 for (i = 0; i < h->key.len; i++) {
|
|
216
|
912 h->lowcase_key[i] = ngx_tolower(h->key.data[i]);
|
|
0
|
913 }
|
|
|
914 }
|
|
|
915
|
|
198
|
916 hh = ngx_hash_find(&cmcf->headers_in_hash, h->hash,
|
|
|
917 h->lowcase_key, h->key.len);
|
|
|
918
|
|
|
919 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) {
|
|
|
920 return;
|
|
|
921 }
|
|
|
922
|
|
0
|
923 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
924 "http header: \"%V: %V\"",
|
|
|
925 &h->key, &h->value);
|
|
0
|
926
|
|
|
927 continue;
|
|
54
|
928 }
|
|
|
929
|
|
|
930 if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
|
|
0
|
931
|
|
|
932 /* a whole header has been parsed successfully */
|
|
|
933
|
|
|
934 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
935 "http header done");
|
|
|
936
|
|
24
|
937 r->request_length += r->header_in->pos - r->header_in->start;
|
|
|
938
|
|
0
|
939 r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
940
|
|
|
941 rc = ngx_http_process_request_header(r);
|
|
|
942
|
|
|
943 if (rc != NGX_OK) {
|
|
|
944 return;
|
|
|
945 }
|
|
|
946
|
|
308
|
947 ngx_http_process_request(r);
|
|
86
|
948
|
|
0
|
949 return;
|
|
54
|
950 }
|
|
|
951
|
|
|
952 if (rc == NGX_AGAIN) {
|
|
|
953
|
|
|
954 /* a header line parsing is still not complete */
|
|
|
955
|
|
|
956 continue;
|
|
0
|
957 }
|
|
|
958
|
|
54
|
959 /* rc == NGX_HTTP_PARSE_INVALID_HEADER: "\r" is not followed by "\n" */
|
|
|
960
|
|
|
961 header.len = r->header_end - r->header_name_start;
|
|
|
962 header.data = r->header_name_start;
|
|
|
963 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
964 "client sent invalid header line: \"%V\\r...\"",
|
|
|
965 &header);
|
|
330
|
966 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
54
|
967 return;
|
|
0
|
968 }
|
|
|
969 }
|
|
|
970
|
|
|
971
|
|
50
|
972 static ssize_t
|
|
|
973 ngx_http_read_request_header(ngx_http_request_t *r)
|
|
0
|
974 {
|
|
|
975 ssize_t n;
|
|
|
976 ngx_event_t *rev;
|
|
230
|
977 ngx_connection_t *c;
|
|
0
|
978 ngx_http_core_srv_conf_t *cscf;
|
|
|
979
|
|
230
|
980 c = r->connection;
|
|
|
981 rev = c->read;
|
|
0
|
982
|
|
|
983 n = r->header_in->last - r->header_in->pos;
|
|
|
984
|
|
|
985 if (n > 0) {
|
|
|
986 return n;
|
|
|
987 }
|
|
|
988
|
|
72
|
989 if (rev->ready) {
|
|
230
|
990 n = c->recv(c, r->header_in->last,
|
|
|
991 r->header_in->end - r->header_in->last);
|
|
72
|
992 } else {
|
|
|
993 n = NGX_AGAIN;
|
|
0
|
994 }
|
|
|
995
|
|
|
996 if (n == NGX_AGAIN) {
|
|
364
|
997 if (!rev->timer_set) {
|
|
0
|
998 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
999 ngx_add_timer(rev, cscf->client_header_timeout);
|
|
|
1000 }
|
|
|
1001
|
|
|
1002 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
|
1003 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1004 return NGX_ERROR;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 return NGX_AGAIN;
|
|
|
1008 }
|
|
|
1009
|
|
|
1010 if (n == 0) {
|
|
230
|
1011 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
0
|
1012 "client closed prematurely connection");
|
|
|
1013 }
|
|
|
1014
|
|
|
1015 if (n == 0 || n == NGX_ERROR) {
|
|
272
|
1016 c->error = 1;
|
|
|
1017 c->log->action = "reading client request headers";
|
|
|
1018
|
|
|
1019 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
0
|
1020 return NGX_ERROR;
|
|
|
1021 }
|
|
|
1022
|
|
|
1023 r->header_in->last += n;
|
|
|
1024
|
|
|
1025 return n;
|
|
|
1026 }
|
|
|
1027
|
|
|
1028
|
|
50
|
1029 static ngx_int_t
|
|
|
1030 ngx_http_alloc_large_header_buffer(ngx_http_request_t *r,
|
|
|
1031 ngx_uint_t request_line)
|
|
0
|
1032 {
|
|
|
1033 u_char *old, *new;
|
|
|
1034 ngx_buf_t *b;
|
|
|
1035 ngx_http_connection_t *hc;
|
|
|
1036 ngx_http_core_srv_conf_t *cscf;
|
|
|
1037
|
|
|
1038 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1039 "http alloc large header buffer");
|
|
|
1040
|
|
|
1041 if (request_line && r->state == 0) {
|
|
|
1042
|
|
|
1043 /* the client fills up the buffer with "\r\n" */
|
|
|
1044
|
|
24
|
1045 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1046
|
|
0
|
1047 r->header_in->pos = r->header_in->start;
|
|
|
1048 r->header_in->last = r->header_in->start;
|
|
|
1049
|
|
|
1050 return NGX_OK;
|
|
|
1051 }
|
|
|
1052
|
|
|
1053 old = request_line ? r->request_start : r->header_name_start;
|
|
|
1054
|
|
|
1055 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
1056
|
|
|
1057 if (r->state != 0
|
|
|
1058 && (size_t) (r->header_in->pos - old)
|
|
|
1059 >= cscf->large_client_header_buffers.size)
|
|
|
1060 {
|
|
|
1061 return NGX_DECLINED;
|
|
|
1062 }
|
|
|
1063
|
|
|
1064 hc = r->http_connection;
|
|
|
1065
|
|
|
1066 if (hc->nfree) {
|
|
|
1067 b = hc->free[--hc->nfree];
|
|
|
1068
|
|
|
1069 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1070 "http large header free: %p %uz",
|
|
0
|
1071 b->pos, b->end - b->last);
|
|
|
1072
|
|
|
1073 } else if (hc->nbusy < cscf->large_client_header_buffers.num) {
|
|
|
1074
|
|
|
1075 if (hc->busy == NULL) {
|
|
|
1076 hc->busy = ngx_palloc(r->connection->pool,
|
|
|
1077 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
1078 if (hc->busy == NULL) {
|
|
|
1079 return NGX_ERROR;
|
|
|
1080 }
|
|
|
1081 }
|
|
|
1082
|
|
|
1083 b = ngx_create_temp_buf(r->connection->pool,
|
|
|
1084 cscf->large_client_header_buffers.size);
|
|
|
1085 if (b == NULL) {
|
|
|
1086 return NGX_ERROR;
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
10
|
1090 "http large header alloc: %p %uz",
|
|
0
|
1091 b->pos, b->end - b->last);
|
|
|
1092
|
|
|
1093 } else {
|
|
|
1094 return NGX_DECLINED;
|
|
|
1095 }
|
|
|
1096
|
|
|
1097 hc->busy[hc->nbusy++] = b;
|
|
|
1098
|
|
|
1099 if (r->state == 0) {
|
|
|
1100 /*
|
|
|
1101 * r->state == 0 means that a header line was parsed successfully
|
|
|
1102 * and we do not need to copy incomplete header line and
|
|
|
1103 * to relocate the parser header pointers
|
|
|
1104 */
|
|
|
1105
|
|
24
|
1106 r->request_length += r->header_in->end - r->header_in->start;
|
|
|
1107
|
|
0
|
1108 r->header_in = b;
|
|
|
1109
|
|
|
1110 return NGX_OK;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1114 "http large header copy: %d", r->header_in->pos - old);
|
|
|
1115
|
|
24
|
1116 r->request_length += old - r->header_in->start;
|
|
|
1117
|
|
0
|
1118 new = b->start;
|
|
|
1119
|
|
|
1120 ngx_memcpy(new, old, r->header_in->pos - old);
|
|
|
1121
|
|
|
1122 b->pos = new + (r->header_in->pos - old);
|
|
|
1123 b->last = new + (r->header_in->pos - old);
|
|
|
1124
|
|
|
1125 if (request_line) {
|
|
|
1126 r->request_start = new;
|
|
|
1127
|
|
|
1128 if (r->request_end) {
|
|
|
1129 r->request_end = new + (r->request_end - old);
|
|
|
1130 }
|
|
|
1131
|
|
|
1132 r->method_end = new + (r->method_end - old);
|
|
|
1133
|
|
|
1134 r->uri_start = new + (r->uri_start - old);
|
|
|
1135 r->uri_end = new + (r->uri_end - old);
|
|
|
1136
|
|
|
1137 if (r->schema_start) {
|
|
|
1138 r->schema_start = new + (r->schema_start - old);
|
|
|
1139 r->schema_end = new + (r->schema_end - old);
|
|
|
1140 }
|
|
|
1141
|
|
|
1142 if (r->host_start) {
|
|
|
1143 r->host_start = new + (r->host_start - old);
|
|
270
|
1144 if (r->host_end) {
|
|
|
1145 r->host_end = new + (r->host_end - old);
|
|
|
1146 }
|
|
0
|
1147 }
|
|
|
1148
|
|
|
1149 if (r->port_start) {
|
|
|
1150 r->port_start = new + (r->port_start - old);
|
|
|
1151 r->port_end = new + (r->port_end - old);
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 if (r->uri_ext) {
|
|
|
1155 r->uri_ext = new + (r->uri_ext - old);
|
|
|
1156 }
|
|
|
1157
|
|
|
1158 if (r->args_start) {
|
|
|
1159 r->args_start = new + (r->args_start - old);
|
|
|
1160 }
|
|
|
1161
|
|
354
|
1162 if (r->http_protocol.data) {
|
|
|
1163 r->http_protocol.data = new + (r->http_protocol.data - old);
|
|
|
1164 }
|
|
|
1165
|
|
0
|
1166 } else {
|
|
|
1167 r->header_name_start = new;
|
|
|
1168 r->header_name_end = new + (r->header_name_end - old);
|
|
|
1169 r->header_start = new + (r->header_start - old);
|
|
|
1170 r->header_end = new + (r->header_end - old);
|
|
|
1171 }
|
|
|
1172
|
|
|
1173 r->header_in = b;
|
|
|
1174
|
|
|
1175 return NGX_OK;
|
|
|
1176 }
|
|
|
1177
|
|
|
1178
|
|
50
|
1179 static ngx_int_t
|
|
58
|
1180 ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1181 ngx_uint_t offset)
|
|
|
1182 {
|
|
|
1183 ngx_table_elt_t **ph;
|
|
|
1184
|
|
|
1185 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1186
|
|
|
1187 if (*ph == NULL) {
|
|
|
1188 *ph = h;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 return NGX_OK;
|
|
|
1192 }
|
|
|
1193
|
|
|
1194
|
|
|
1195 static ngx_int_t
|
|
72
|
1196 ngx_http_process_unique_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1197 ngx_uint_t offset)
|
|
|
1198 {
|
|
|
1199 ngx_table_elt_t **ph;
|
|
|
1200
|
|
|
1201 ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
|
|
|
1202
|
|
|
1203 if (*ph == NULL) {
|
|
|
1204 *ph = h;
|
|
|
1205 return NGX_OK;
|
|
|
1206 }
|
|
|
1207
|
|
|
1208 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
230
|
1209 "client sent duplicate header line: \"%V: %V\", "
|
|
|
1210 "previous value: \"%V: %V\"",
|
|
|
1211 &h->key, &h->value, &(*ph)->key, &(*ph)->value);
|
|
72
|
1212
|
|
|
1213 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1214
|
|
|
1215 return NGX_ERROR;
|
|
|
1216 }
|
|
|
1217
|
|
|
1218
|
|
|
1219 static ngx_int_t
|
|
336
|
1220 ngx_http_process_connection(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1221 ngx_uint_t offset)
|
|
|
1222 {
|
|
340
|
1223 if (ngx_strcasestrn(h->value.data, "close", 5 - 1)) {
|
|
336
|
1224 r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
1225
|
|
340
|
1226 } else if (ngx_strcasestrn(h->value.data, "keep-alive", 10 - 1)) {
|
|
336
|
1227 r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 return NGX_OK;
|
|
|
1231 }
|
|
|
1232
|
|
|
1233
|
|
|
1234 static ngx_int_t
|
|
58
|
1235 ngx_http_process_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
|
|
|
1236 ngx_uint_t offset)
|
|
|
1237 {
|
|
|
1238 ngx_table_elt_t **cookie;
|
|
|
1239
|
|
|
1240 cookie = ngx_array_push(&r->headers_in.cookies);
|
|
72
|
1241 if (cookie) {
|
|
|
1242 *cookie = h;
|
|
|
1243 return NGX_OK;
|
|
58
|
1244 }
|
|
|
1245
|
|
72
|
1246 ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
1247
|
|
|
1248 return NGX_ERROR;
|
|
58
|
1249 }
|
|
|
1250
|
|
|
1251
|
|
|
1252 static ngx_int_t
|
|
50
|
1253 ngx_http_process_request_header(ngx_http_request_t *r)
|
|
0
|
1254 {
|
|
308
|
1255 size_t len;
|
|
|
1256 u_char *host, *ua, *user_agent, ch;
|
|
|
1257 ngx_uint_t hash;
|
|
0
|
1258
|
|
|
1259 if (r->headers_in.host) {
|
|
198
|
1260
|
|
|
1261 hash = 0;
|
|
|
1262
|
|
0
|
1263 for (len = 0; len < r->headers_in.host->value.len; len++) {
|
|
26
|
1264 ch = r->headers_in.host->value.data[len];
|
|
|
1265
|
|
|
1266 if (ch == ':') {
|
|
0
|
1267 break;
|
|
|
1268 }
|
|
26
|
1269
|
|
198
|
1270 ch = ngx_tolower(ch);
|
|
|
1271 r->headers_in.host->value.data[len] = ch;
|
|
|
1272 hash = ngx_hash(hash, ch);
|
|
0
|
1273 }
|
|
54
|
1274
|
|
198
|
1275 if (len && r->headers_in.host->value.data[len - 1] == '.') {
|
|
58
|
1276 len--;
|
|
198
|
1277 hash = ngx_hash_key(r->headers_in.host->value.data, len);
|
|
58
|
1278 }
|
|
|
1279
|
|
0
|
1280 r->headers_in.host_name_len = len;
|
|
|
1281
|
|
198
|
1282 if (r->virtual_names) {
|
|
306
|
1283
|
|
|
1284 host = r->host_start;
|
|
|
1285
|
|
|
1286 if (host == NULL) {
|
|
|
1287 host = r->headers_in.host->value.data;
|
|
|
1288 len = r->headers_in.host_name_len;
|
|
|
1289
|
|
|
1290 } else {
|
|
|
1291 len = r->host_end - host;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 ngx_http_find_virtual_server(r, host, len, hash);
|
|
198
|
1295 }
|
|
0
|
1296
|
|
|
1297 } else {
|
|
|
1298 if (r->http_version > NGX_HTTP_VERSION_10) {
|
|
54
|
1299 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1300 "client sent HTTP/1.1 request without \"Host\" header");
|
|
|
1301 ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
|
1302 return NGX_ERROR;
|
|
0
|
1303 }
|
|
54
|
1304
|
|
0
|
1305 r->headers_in.host_name_len = 0;
|
|
|
1306 }
|
|
|
1307
|
|
|
1308 if (r->headers_in.content_length) {
|
|
|
1309 r->headers_in.content_length_n =
|
|
212
|
1310 ngx_atoof(r->headers_in.content_length->value.data,
|
|
0
|
1311 r->headers_in.content_length->value.len);
|
|
|
1312
|
|
|
1313 if (r->headers_in.content_length_n == NGX_ERROR) {
|
|
54
|
1314 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1315 "client sent invalid \"Content-Length\" header");
|
|
130
|
1316 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1317 return NGX_ERROR;
|
|
0
|
1318 }
|
|
|
1319 }
|
|
|
1320
|
|
188
|
1321 if (r->method & (NGX_HTTP_POST|NGX_HTTP_PUT)
|
|
|
1322 && r->headers_in.content_length_n == -1)
|
|
|
1323 {
|
|
54
|
1324 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
362
|
1325 "client sent %V method without \"Content-Length\" header",
|
|
|
1326 &r->method_name);
|
|
130
|
1327 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
|
1328 return NGX_ERROR;
|
|
|
1329 }
|
|
|
1330
|
|
336
|
1331 if (r->method & NGX_HTTP_TRACE) {
|
|
294
|
1332 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1333 "client sent TRACE method");
|
|
|
1334 ngx_http_finalize_request(r, NGX_HTTP_NOT_ALLOWED);
|
|
|
1335 return NGX_ERROR;
|
|
|
1336 }
|
|
|
1337
|
|
130
|
1338 if (r->headers_in.transfer_encoding
|
|
340
|
1339 && ngx_strcasestrn(r->headers_in.transfer_encoding->value.data,
|
|
|
1340 "chunked", 7 - 1))
|
|
130
|
1341 {
|
|
|
1342 ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
|
1343 "client sent \"Transfer-Encoding: chunked\" header");
|
|
|
1344 ngx_http_finalize_request(r, NGX_HTTP_LENGTH_REQUIRED);
|
|
54
|
1345 return NGX_ERROR;
|
|
0
|
1346 }
|
|
|
1347
|
|
336
|
1348 if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
|
|
|
1349 if (r->headers_in.keep_alive) {
|
|
|
1350 r->headers_in.keep_alive_n =
|
|
|
1351 ngx_atotm(r->headers_in.keep_alive->value.data,
|
|
|
1352 r->headers_in.keep_alive->value.len);
|
|
0
|
1353 }
|
|
|
1354 }
|
|
|
1355
|
|
|
1356 if (r->headers_in.user_agent) {
|
|
|
1357
|
|
|
1358 /*
|
|
|
1359 * check some widespread browsers while the headers are still
|
|
|
1360 * in CPU cache
|
|
|
1361 */
|
|
|
1362
|
|
|
1363 user_agent = r->headers_in.user_agent->value.data;
|
|
|
1364
|
|
340
|
1365 ua = ngx_strstrn(user_agent, "MSIE", 4 - 1);
|
|
0
|
1366
|
|
|
1367 if (ua && ua + 8 < user_agent + r->headers_in.user_agent->value.len) {
|
|
|
1368
|
|
|
1369 r->headers_in.msie = 1;
|
|
|
1370
|
|
|
1371 if (ua[4] == ' ' && ua[5] == '4' && ua[6] == '.') {
|
|
|
1372 r->headers_in.msie4 = 1;
|
|
|
1373 }
|
|
|
1374
|
|
|
1375 #if 0
|
|
|
1376 /* MSIE ignores the SSL "close notify" alert */
|
|
22
|
1377 if (c->ssl) {
|
|
96
|
1378 c->ssl->no_send_shutdown = 1;
|
|
22
|
1379 }
|
|
0
|
1380 #endif
|
|
|
1381 }
|
|
|
1382
|
|
340
|
1383 if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
|
|
0
|
1384 r->headers_in.opera = 1;
|
|
|
1385 r->headers_in.msie = 0;
|
|
|
1386 r->headers_in.msie4 = 0;
|
|
|
1387 }
|
|
|
1388
|
|
|
1389 if (!r->headers_in.msie && !r->headers_in.opera) {
|
|
|
1390
|
|
340
|
1391 if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
|
|
0
|
1392 r->headers_in.gecko = 1;
|
|
|
1393
|
|
340
|
1394 } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
|
|
0
|
1395 r->headers_in.konqueror = 1;
|
|
|
1396 }
|
|
|
1397 }
|
|
|
1398 }
|
|
|
1399
|
|
308
|
1400 return NGX_OK;
|
|
|
1401 }
|
|
|
1402
|
|
|
1403
|
|
|
1404 static void
|
|
|
1405 ngx_http_process_request(ngx_http_request_t *r)
|
|
|
1406 {
|
|
356
|
1407 ngx_connection_t *c;
|
|
308
|
1408
|
|
|
1409 c = r->connection;
|
|
|
1410
|
|
354
|
1411 if (r->plain_http) {
|
|
|
1412 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
1413 "client sent plain HTTP request to HTTPS port");
|
|
|
1414 ngx_http_finalize_request(r, NGX_HTTP_TO_HTTPS);
|
|
|
1415 return;
|
|
|
1416 }
|
|
|
1417
|
|
308
|
1418 #if (NGX_HTTP_SSL)
|
|
|
1419
|
|
|
1420 if (c->ssl) {
|
|
356
|
1421 long rc;
|
|
|
1422 ngx_http_ssl_srv_conf_t *sscf;
|
|
|
1423
|
|
218
|
1424 sscf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_module);
|
|
|
1425
|
|
|
1426 if (sscf->verify) {
|
|
308
|
1427 rc = SSL_get_verify_result(c->ssl->connection);
|
|
218
|
1428
|
|
|
1429 if (rc != X509_V_OK) {
|
|
308
|
1430 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
220
|
1431 "client SSL certificate verify error: (%l:%s)",
|
|
218
|
1432 rc, X509_verify_cert_error_string(rc));
|
|
366
|
1433
|
|
|
1434 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1435 (SSL_get0_session(c->ssl->connection)));
|
|
|
1436
|
|
218
|
1437 ngx_http_finalize_request(r, NGX_HTTPS_CERT_ERROR);
|
|
308
|
1438 return;
|
|
218
|
1439 }
|
|
|
1440
|
|
308
|
1441 if (SSL_get_peer_certificate(c->ssl->connection)
|
|
218
|
1442 == NULL)
|
|
|
1443 {
|
|
308
|
1444 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
218
|
1445 "client sent no required SSL certificate");
|
|
366
|
1446
|
|
|
1447 ngx_ssl_remove_cached_session(sscf->ssl.ctx,
|
|
|
1448 (SSL_get0_session(c->ssl->connection)));
|
|
|
1449
|
|
218
|
1450 ngx_http_finalize_request(r, NGX_HTTPS_NO_CERT);
|
|
308
|
1451 return;
|
|
218
|
1452 }
|
|
|
1453 }
|
|
|
1454 }
|
|
|
1455
|
|
|
1456 #endif
|
|
|
1457
|
|
308
|
1458 if (c->read->timer_set) {
|
|
|
1459 ngx_del_timer(c->read);
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 #if (NGX_STAT_STUB)
|
|
|
1463 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
|
1464 r->stat_reading = 0;
|
|
|
1465 ngx_atomic_fetch_add(ngx_stat_writing, 1);
|
|
|
1466 r->stat_writing = 1;
|
|
|
1467 #endif
|
|
|
1468
|
|
|
1469 c->read->handler = ngx_http_request_handler;
|
|
|
1470 c->write->handler = ngx_http_request_handler;
|
|
326
|
1471 r->read_event_handler = ngx_http_block_reading;
|
|
308
|
1472
|
|
|
1473 ngx_http_handler(r);
|
|
|
1474
|
|
|
1475 return;
|
|
0
|
1476 }
|
|
|
1477
|
|
|
1478
|
|
162
|
1479 static void
|
|
306
|
1480 ngx_http_find_virtual_server(ngx_http_request_t *r, u_char *host, size_t len,
|
|
|
1481 ngx_uint_t hash)
|
|
26
|
1482 {
|
|
142
|
1483 ngx_http_core_loc_conf_t *clcf;
|
|
|
1484 ngx_http_core_srv_conf_t *cscf;
|
|
326
|
1485
|
|
|
1486 cscf = ngx_hash_find_combined(&r->virtual_names->names, hash, host, len);
|
|
312
|
1487
|
|
|
1488 if (cscf) {
|
|
|
1489 goto found;
|
|
26
|
1490 }
|
|
|
1491
|
|
326
|
1492 #if (NGX_PCRE)
|
|
|
1493
|
|
|
1494 if (r->virtual_names->nregex) {
|
|
356
|
1495 ngx_int_t n;
|
|
|
1496 ngx_uint_t i;
|
|
|
1497 ngx_str_t name;
|
|
|
1498 ngx_http_server_name_t *sn;
|
|
326
|
1499
|
|
|
1500 name.len = len;
|
|
|
1501 name.data = host;
|
|
|
1502
|
|
|
1503 sn = r->virtual_names->regex;
|
|
|
1504
|
|
|
1505 for (i = 0; i < r->virtual_names->nregex; i++) {
|
|
|
1506
|
|
|
1507 n = ngx_regex_exec(sn[i].regex, &name, NULL, 0);
|
|
|
1508
|
|
|
1509 if (n == NGX_REGEX_NO_MATCHED) {
|
|
|
1510 continue;
|
|
|
1511 }
|
|
|
1512
|
|
|
1513 if (n < 0) {
|
|
|
1514 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1515 ngx_regex_exec_n
|
|
|
1516 " failed: %d on \"%V\" using \"%V\"",
|
|
|
1517 n, &name, &sn[i].name);
|
|
|
1518 return;
|
|
|
1519 }
|
|
|
1520
|
|
|
1521 /* match */
|
|
|
1522
|
|
|
1523 cscf = sn[i].core_srv_conf;
|
|
|
1524
|
|
|
1525 goto found;
|
|
|
1526 }
|
|
|
1527 }
|
|
|
1528
|
|
|
1529 #endif
|
|
|
1530
|
|
162
|
1531 return;
|
|
58
|
1532
|
|
|
1533 found:
|
|
|
1534
|
|
142
|
1535 r->srv_conf = cscf->ctx->srv_conf;
|
|
|
1536 r->loc_conf = cscf->ctx->loc_conf;
|
|
58
|
1537
|
|
|
1538 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1539 r->connection->log->file = clcf->err_log->file;
|
|
|
1540
|
|
|
1541 if (!(r->connection->log->log_level & NGX_LOG_DEBUG_CONNECTION)) {
|
|
|
1542 r->connection->log->log_level = clcf->err_log->log_level;
|
|
26
|
1543 }
|
|
|
1544
|
|
162
|
1545 return;
|
|
26
|
1546 }
|
|
|
1547
|
|
|
1548
|
|
58
|
1549 static void
|
|
|
1550 ngx_http_request_handler(ngx_event_t *ev)
|
|
|
1551 {
|
|
|
1552 ngx_connection_t *c;
|
|
|
1553 ngx_http_request_t *r;
|
|
214
|
1554 ngx_http_log_ctx_t *ctx;
|
|
58
|
1555
|
|
|
1556 c = ev->data;
|
|
|
1557 r = c->data;
|
|
|
1558
|
|
214
|
1559 ctx = c->log->data;
|
|
|
1560 ctx->current_request = r;
|
|
|
1561
|
|
58
|
1562 if (ev->write) {
|
|
|
1563 r->write_event_handler(r);
|
|
|
1564
|
|
|
1565 } else {
|
|
|
1566 r->read_event_handler(r);
|
|
|
1567 }
|
|
|
1568 }
|
|
|
1569
|
|
|
1570
|
|
50
|
1571 void
|
|
58
|
1572 ngx_http_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
|
|
0
|
1573 {
|
|
330
|
1574 ngx_connection_t *c;
|
|
58
|
1575 ngx_http_request_t *pr;
|
|
214
|
1576 ngx_http_log_ctx_t *ctx;
|
|
0
|
1577 ngx_http_core_loc_conf_t *clcf;
|
|
|
1578
|
|
58
|
1579 if (rc == NGX_DONE) {
|
|
118
|
1580 /* the request pool may be already destroyed */
|
|
58
|
1581 return;
|
|
|
1582 }
|
|
|
1583
|
|
330
|
1584 c = r->connection;
|
|
|
1585
|
|
|
1586 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1587 "http finalize request: %d, \"%V?%V\"",
|
|
|
1588 rc, &r->uri, &r->args);
|
|
|
1589
|
|
230
|
1590 if (rc == NGX_DECLINED) {
|
|
|
1591 r->content_handler = NULL;
|
|
|
1592 r->write_event_handler = ngx_http_core_run_phases;
|
|
|
1593 ngx_http_core_run_phases(r);
|
|
|
1594 return;
|
|
|
1595 }
|
|
|
1596
|
|
248
|
1597 if (r != r->main && r->post_subrequest) {
|
|
|
1598 rc = r->post_subrequest->handler(r, r->post_subrequest->data, rc);
|
|
216
|
1599 }
|
|
|
1600
|
|
358
|
1601 if (rc == NGX_ERROR
|
|
|
1602 || rc == NGX_HTTP_REQUEST_TIME_OUT
|
|
|
1603 || rc == NGX_HTTP_CLIENT_CLOSED_REQUEST
|
|
|
1604 || c->error)
|
|
|
1605 {
|
|
282
|
1606 if (rc > 0 && r->headers_out.status == 0) {
|
|
|
1607 r->headers_out.status = rc;
|
|
190
|
1608 }
|
|
|
1609
|
|
162
|
1610 if (ngx_http_post_action(r) == NGX_OK) {
|
|
|
1611 return;
|
|
|
1612 }
|
|
|
1613
|
|
118
|
1614 ngx_http_close_request(r, 0);
|
|
0
|
1615 return;
|
|
|
1616 }
|
|
|
1617
|
|
186
|
1618 if (rc >= NGX_HTTP_SPECIAL_RESPONSE
|
|
|
1619 || rc == NGX_HTTP_CREATED
|
|
|
1620 || rc == NGX_HTTP_NO_CONTENT)
|
|
|
1621 {
|
|
136
|
1622 if (rc == NGX_HTTP_CLOSE) {
|
|
|
1623 ngx_http_close_request(r, rc);
|
|
|
1624 return;
|
|
|
1625 }
|
|
|
1626
|
|
146
|
1627 if (r == r->main) {
|
|
330
|
1628 if (c->read->timer_set) {
|
|
|
1629 ngx_del_timer(c->read);
|
|
118
|
1630 }
|
|
|
1631
|
|
330
|
1632 if (c->write->timer_set) {
|
|
|
1633 ngx_del_timer(c->write);
|
|
118
|
1634 }
|
|
|
1635 }
|
|
|
1636
|
|
|
1637 ngx_http_finalize_request(r, ngx_http_special_response_handler(r, rc));
|
|
|
1638 return;
|
|
|
1639 }
|
|
|
1640
|
|
146
|
1641 if (r != r->main || rc == NGX_AGAIN) {
|
|
74
|
1642 if (ngx_http_set_write_handler(r) != NGX_OK) {
|
|
|
1643 return;
|
|
|
1644 }
|
|
58
|
1645 }
|
|
|
1646
|
|
|
1647 r->done = 1;
|
|
|
1648
|
|
330
|
1649 if (r != c->data) {
|
|
|
1650 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1651 "http finalize non-active request: \"%V?%V\"",
|
|
|
1652 &r->uri, &r->args);
|
|
58
|
1653 return;
|
|
|
1654 }
|
|
|
1655
|
|
146
|
1656 if (r != r->main) {
|
|
58
|
1657
|
|
|
1658 pr = r->parent;
|
|
|
1659
|
|
330
|
1660 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1661 "http parent request: \"%V?%V\"", &pr->uri, &pr->args);
|
|
76
|
1662
|
|
58
|
1663 if (rc != NGX_AGAIN) {
|
|
330
|
1664 c->data = pr;
|
|
58
|
1665 }
|
|
|
1666
|
|
330
|
1667 ctx = c->log->data;
|
|
214
|
1668 ctx->current_request = pr;
|
|
|
1669
|
|
58
|
1670 if (pr->postponed) {
|
|
|
1671
|
|
330
|
1672 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
132
|
1673 "http request: \"%V?%V\" has postponed",
|
|
|
1674 &pr->uri, &pr->args);
|
|
76
|
1675
|
|
58
|
1676 if (rc != NGX_AGAIN && pr->postponed->request == r) {
|
|
|
1677 pr->postponed = pr->postponed->next;
|
|
146
|
1678 }
|
|
|
1679
|
|
|
1680 if (r->fast_subrequest) {
|
|
194
|
1681
|
|
|
1682 if (rc == NGX_AGAIN) {
|
|
|
1683 r->fast_subrequest = 0;
|
|
|
1684 }
|
|
|
1685
|
|
330
|
1686 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
358
|
1687 "http fast subrequest: \"%V?%V\" done",
|
|
|
1688 &r->uri, &r->args);
|
|
146
|
1689 return;
|
|
58
|
1690 }
|
|
|
1691
|
|
194
|
1692 if (rc != NGX_AGAIN) {
|
|
330
|
1693 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
194
|
1694 "http wake parent request: \"%V?%V\"",
|
|
|
1695 &pr->uri, &pr->args);
|
|
|
1696
|
|
|
1697 pr->write_event_handler(pr);
|
|
|
1698 }
|
|
58
|
1699 }
|
|
|
1700
|
|
|
1701 return;
|
|
|
1702 }
|
|
0
|
1703
|
|
118
|
1704 if (rc == NGX_AGAIN) {
|
|
0
|
1705 return;
|
|
76
|
1706 }
|
|
|
1707
|
|
330
|
1708 if (c->buffered) {
|
|
74
|
1709 (void) ngx_http_set_write_handler(r);
|
|
0
|
1710 return;
|
|
|
1711 }
|
|
|
1712
|
|
178
|
1713 if (!r->post_action) {
|
|
|
1714 r->request_complete = 1;
|
|
|
1715 }
|
|
|
1716
|
|
162
|
1717 if (ngx_http_post_action(r) == NGX_OK) {
|
|
126
|
1718 return;
|
|
|
1719 }
|
|
|
1720
|
|
330
|
1721 if (c->read->timer_set) {
|
|
|
1722 ngx_del_timer(c->read);
|
|
|
1723 }
|
|
|
1724
|
|
|
1725 if (c->write->timer_set) {
|
|
|
1726 c->write->delayed = 0;
|
|
|
1727 ngx_del_timer(c->write);
|
|
0
|
1728 }
|
|
|
1729
|
|
330
|
1730 if (c->destroyed) {
|
|
|
1731 return;
|
|
0
|
1732 }
|
|
|
1733
|
|
330
|
1734 if (c->read->eof) {
|
|
|
1735 ngx_http_close_request(r, 0);
|
|
138
|
1736 return;
|
|
|
1737 }
|
|
|
1738
|
|
162
|
1739 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
1740
|
|
|
1741 if (!ngx_terminate
|
|
|
1742 && !ngx_exiting
|
|
|
1743 && r->keepalive != 0
|
|
|
1744 && clcf->keepalive_timeout > 0)
|
|
|
1745 {
|
|
|
1746 ngx_http_set_keepalive(r);
|
|
|
1747 return;
|
|
|
1748
|
|
|
1749 } else if (r->lingering_close && clcf->lingering_timeout > 0) {
|
|
|
1750 ngx_http_set_lingering_close(r);
|
|
|
1751 return;
|
|
|
1752 }
|
|
|
1753
|
|
|
1754 ngx_http_close_request(r, 0);
|
|
|
1755 }
|
|
|
1756
|
|
|
1757
|
|
74
|
1758 static ngx_int_t
|
|
50
|
1759 ngx_http_set_write_handler(ngx_http_request_t *r)
|
|
0
|
1760 {
|
|
|
1761 ngx_event_t *wev;
|
|
|
1762 ngx_http_core_loc_conf_t *clcf;
|
|
|
1763
|
|
58
|
1764 r->http_state = NGX_HTTP_WRITING_REQUEST_STATE;
|
|
|
1765
|
|
326
|
1766 r->read_event_handler = ngx_http_test_reading;
|
|
74
|
1767 r->write_event_handler = ngx_http_writer;
|
|
|
1768
|
|
0
|
1769 wev = r->connection->write;
|
|
|
1770
|
|
|
1771 if (wev->ready && wev->delayed) {
|
|
74
|
1772 return NGX_OK;
|
|
0
|
1773 }
|
|
|
1774
|
|
58
|
1775 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
0
|
1776 if (!wev->delayed) {
|
|
|
1777 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1778 }
|
|
|
1779
|
|
2
|
1780 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
0
|
1781 ngx_http_close_request(r, 0);
|
|
74
|
1782 return NGX_ERROR;
|
|
0
|
1783 }
|
|
74
|
1784
|
|
|
1785 return NGX_OK;
|
|
0
|
1786 }
|
|
|
1787
|
|
|
1788
|
|
58
|
1789 static void
|
|
|
1790 ngx_http_writer(ngx_http_request_t *r)
|
|
0
|
1791 {
|
|
|
1792 int rc;
|
|
58
|
1793 ngx_event_t *wev;
|
|
0
|
1794 ngx_connection_t *c;
|
|
|
1795 ngx_http_core_loc_conf_t *clcf;
|
|
|
1796
|
|
58
|
1797 c = r->connection;
|
|
|
1798 wev = c->write;
|
|
|
1799
|
|
132
|
1800 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1801 "http writer handler: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
1802
|
|
|
1803 if (wev->timedout) {
|
|
|
1804 if (!wev->delayed) {
|
|
54
|
1805 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
|
|
|
1806 "client timed out");
|
|
|
1807 c->timedout = 1;
|
|
116
|
1808
|
|
162
|
1809 ngx_http_finalize_request(r, NGX_HTTP_REQUEST_TIME_OUT);
|
|
0
|
1810 return;
|
|
|
1811 }
|
|
|
1812
|
|
|
1813 wev->timedout = 0;
|
|
|
1814 wev->delayed = 0;
|
|
|
1815
|
|
|
1816 if (!wev->ready) {
|
|
102
|
1817 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
0
|
1818 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1819
|
|
2
|
1820 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
1821 ngx_http_close_request(r, 0);
|
|
0
|
1822 }
|
|
|
1823
|
|
|
1824 return;
|
|
|
1825 }
|
|
|
1826
|
|
|
1827 } else {
|
|
|
1828 if (wev->delayed) {
|
|
|
1829 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1830 "http writer delayed");
|
|
|
1831
|
|
102
|
1832 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
2
|
1833
|
|
|
1834 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
1835 ngx_http_close_request(r, 0);
|
|
0
|
1836 }
|
|
|
1837
|
|
|
1838 return;
|
|
|
1839 }
|
|
|
1840 }
|
|
|
1841
|
|
132
|
1842 rc = ngx_http_output_filter(r, NULL);
|
|
|
1843
|
|
|
1844 if (c->destroyed) {
|
|
|
1845 return;
|
|
58
|
1846 }
|
|
|
1847
|
|
132
|
1848 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
1849 "http writer output filter: %d, \"%V?%V\"",
|
|
|
1850 rc, &r->uri, &r->args);
|
|
0
|
1851
|
|
|
1852 if (rc == NGX_AGAIN) {
|
|
102
|
1853 clcf = ngx_http_get_module_loc_conf(r->main, ngx_http_core_module);
|
|
0
|
1854 if (!wev->ready && !wev->delayed) {
|
|
|
1855 ngx_add_timer(wev, clcf->send_timeout);
|
|
|
1856 }
|
|
|
1857
|
|
2
|
1858 if (ngx_handle_write_event(wev, clcf->send_lowat) == NGX_ERROR) {
|
|
118
|
1859 ngx_http_close_request(r, 0);
|
|
0
|
1860 }
|
|
|
1861
|
|
254
|
1862 if (r == r->main || r->buffered) {
|
|
146
|
1863 return;
|
|
|
1864 }
|
|
|
1865
|
|
|
1866 rc = NGX_OK;
|
|
0
|
1867 }
|
|
|
1868
|
|
132
|
1869 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, wev->log, 0,
|
|
|
1870 "http writer done: \"%V?%V\"", &r->uri, &r->args);
|
|
0
|
1871
|
|
|
1872 ngx_http_finalize_request(r, rc);
|
|
|
1873 }
|
|
|
1874
|
|
|
1875
|
|
326
|
1876 void
|
|
|
1877 ngx_http_block_reading(ngx_http_request_t *r)
|
|
0
|
1878 {
|
|
318
|
1879 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
326
|
1880 "http reading blocked");
|
|
318
|
1881
|
|
|
1882 /* aio does not call this handler */
|
|
|
1883
|
|
|
1884 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT)
|
|
|
1885 && r->connection->read->active)
|
|
|
1886 {
|
|
|
1887 if (ngx_del_event(r->connection->read, NGX_READ_EVENT, 0)
|
|
|
1888 == NGX_ERROR)
|
|
|
1889 {
|
|
|
1890 ngx_http_close_request(r, 0);
|
|
|
1891 }
|
|
|
1892 }
|
|
|
1893 }
|
|
|
1894
|
|
|
1895
|
|
|
1896 static void
|
|
326
|
1897 ngx_http_test_reading(ngx_http_request_t *r)
|
|
318
|
1898 {
|
|
276
|
1899 int n;
|
|
|
1900 char buf[1];
|
|
|
1901 ngx_err_t err;
|
|
|
1902 ngx_event_t *rev;
|
|
|
1903 ngx_connection_t *c;
|
|
|
1904
|
|
|
1905 c = r->connection;
|
|
|
1906 rev = c->read;
|
|
|
1907
|
|
326
|
1908 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http test reading");
|
|
276
|
1909
|
|
|
1910 #if (NGX_HAVE_KQUEUE)
|
|
|
1911
|
|
|
1912 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
|
1913
|
|
|
1914 if (!rev->pending_eof) {
|
|
|
1915 return;
|
|
|
1916 }
|
|
|
1917
|
|
|
1918 rev->eof = 1;
|
|
|
1919 c->error = 1;
|
|
|
1920 err = rev->kq_errno;
|
|
|
1921
|
|
|
1922 goto closed;
|
|
|
1923 }
|
|
|
1924
|
|
|
1925 #endif
|
|
|
1926
|
|
|
1927 n = recv(c->fd, buf, 1, MSG_PEEK);
|
|
|
1928
|
|
|
1929 if (n == 0) {
|
|
|
1930 rev->eof = 1;
|
|
|
1931 c->error = 1;
|
|
|
1932 err = 0;
|
|
|
1933
|
|
|
1934 goto closed;
|
|
|
1935
|
|
|
1936 } else if (n == -1) {
|
|
|
1937 err = ngx_socket_errno;
|
|
|
1938
|
|
|
1939 if (err != NGX_EAGAIN) {
|
|
|
1940 rev->eof = 1;
|
|
|
1941 c->error = 1;
|
|
|
1942
|
|
|
1943 goto closed;
|
|
|
1944 }
|
|
|
1945 }
|
|
0
|
1946
|
|
|
1947 /* aio does not call this handler */
|
|
|
1948
|
|
276
|
1949 if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && rev->active) {
|
|
|
1950
|
|
|
1951 if (ngx_del_event(rev, NGX_READ_EVENT, 0) == NGX_ERROR) {
|
|
0
|
1952 ngx_http_close_request(r, 0);
|
|
|
1953 }
|
|
|
1954 }
|
|
276
|
1955
|
|
|
1956 return;
|
|
|
1957
|
|
|
1958 closed:
|
|
|
1959
|
|
|
1960 if (err) {
|
|
|
1961 rev->error = 1;
|
|
|
1962 }
|
|
|
1963
|
|
|
1964 ngx_log_error(NGX_LOG_INFO, c->log, err,
|
|
|
1965 "client closed prematurely connection");
|
|
|
1966
|
|
286
|
1967 ngx_http_finalize_request(r, 0);
|
|
0
|
1968 }
|
|
|
1969
|
|
|
1970
|
|
50
|
1971 static void
|
|
|
1972 ngx_http_set_keepalive(ngx_http_request_t *r)
|
|
0
|
1973 {
|
|
2
|
1974 int tcp_nodelay;
|
|
0
|
1975 ngx_int_t i;
|
|
|
1976 ngx_buf_t *b, *f;
|
|
|
1977 ngx_event_t *rev, *wev;
|
|
|
1978 ngx_connection_t *c;
|
|
|
1979 ngx_http_connection_t *hc;
|
|
|
1980 ngx_http_core_srv_conf_t *cscf;
|
|
|
1981 ngx_http_core_loc_conf_t *clcf;
|
|
|
1982
|
|
|
1983 c = r->connection;
|
|
|
1984 rev = c->read;
|
|
|
1985
|
|
326
|
1986 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
1987
|
|
0
|
1988 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "set http keepalive handler");
|
|
|
1989
|
|
326
|
1990 if (r->discard_body) {
|
|
|
1991 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
|
1992 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
1993 return;
|
|
|
1994 }
|
|
|
1995
|
|
32
|
1996 c->log->action = "closing request";
|
|
0
|
1997
|
|
|
1998 hc = r->http_connection;
|
|
|
1999 b = r->header_in;
|
|
|
2000
|
|
|
2001 if (b->pos < b->last) {
|
|
|
2002
|
|
|
2003 /* the pipelined request */
|
|
|
2004
|
|
|
2005 if (b != c->buffer) {
|
|
|
2006
|
|
4
|
2007 /*
|
|
|
2008 * If the large header buffers were allocated while the previous
|
|
|
2009 * request processing then we do not use c->buffer for
|
|
|
2010 * the pipelined request (see ngx_http_init_request()).
|
|
126
|
2011 *
|
|
4
|
2012 * Now we would move the large header buffers to the free list.
|
|
|
2013 */
|
|
0
|
2014
|
|
|
2015 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2016
|
|
|
2017 if (hc->free == NULL) {
|
|
|
2018 hc->free = ngx_palloc(c->pool,
|
|
|
2019 cscf->large_client_header_buffers.num * sizeof(ngx_buf_t *));
|
|
|
2020
|
|
|
2021 if (hc->free == NULL) {
|
|
26
|
2022 ngx_http_close_request(r, 0);
|
|
0
|
2023 return;
|
|
|
2024 }
|
|
|
2025 }
|
|
|
2026
|
|
|
2027 for (i = 0; i < hc->nbusy - 1; i++) {
|
|
|
2028 f = hc->busy[i];
|
|
|
2029 hc->free[hc->nfree++] = f;
|
|
|
2030 f->pos = f->start;
|
|
|
2031 f->last = f->start;
|
|
|
2032 }
|
|
|
2033
|
|
|
2034 hc->busy[0] = b;
|
|
|
2035 hc->nbusy = 1;
|
|
|
2036 }
|
|
|
2037 }
|
|
|
2038
|
|
118
|
2039 ngx_http_request_done(r, 0);
|
|
|
2040
|
|
0
|
2041 c->data = hc;
|
|
|
2042
|
|
|
2043 ngx_add_timer(rev, clcf->keepalive_timeout);
|
|
|
2044
|
|
58
|
2045 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
0
|
2046 ngx_http_close_connection(c);
|
|
|
2047 return;
|
|
|
2048 }
|
|
|
2049
|
|
|
2050 wev = c->write;
|
|
58
|
2051 wev->handler = ngx_http_empty_handler;
|
|
0
|
2052
|
|
|
2053 if (b->pos < b->last) {
|
|
|
2054
|
|
|
2055 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
|
|
|
2056
|
|
116
|
2057 #if (NGX_STAT_STUB)
|
|
|
2058 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2059 #endif
|
|
|
2060
|
|
0
|
2061 hc->pipeline = 1;
|
|
32
|
2062 c->log->action = "reading client pipelined request line";
|
|
116
|
2063
|
|
0
|
2064 ngx_http_init_request(rev);
|
|
|
2065 return;
|
|
|
2066 }
|
|
|
2067
|
|
|
2068 hc->pipeline = 0;
|
|
|
2069
|
|
4
|
2070 /*
|
|
|
2071 * To keep a memory footprint as small as possible for an idle
|
|
|
2072 * keepalive connection we try to free the ngx_http_request_t and
|
|
|
2073 * c->buffer's memory if they were allocated outside the c->pool.
|
|
|
2074 * The large header buffers are always allocated outside the c->pool and
|
|
|
2075 * are freed too.
|
|
|
2076 */
|
|
|
2077
|
|
0
|
2078 if (ngx_pfree(c->pool, r) == NGX_OK) {
|
|
|
2079 hc->request = NULL;
|
|
|
2080 }
|
|
|
2081
|
|
|
2082 b = c->buffer;
|
|
|
2083
|
|
|
2084 if (ngx_pfree(c->pool, b->start) == NGX_OK) {
|
|
4
|
2085
|
|
|
2086 /*
|
|
|
2087 * the special note for ngx_http_keepalive_handler() that
|
|
|
2088 * c->buffer's memory was freed
|
|
|
2089 */
|
|
|
2090
|
|
0
|
2091 b->pos = NULL;
|
|
|
2092
|
|
|
2093 } else {
|
|
|
2094 b->pos = b->start;
|
|
|
2095 b->last = b->start;
|
|
|
2096 }
|
|
|
2097
|
|
10
|
2098 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc free: %p %d",
|
|
0
|
2099 hc->free, hc->nfree);
|
|
|
2100
|
|
|
2101 if (hc->free) {
|
|
|
2102 for (i = 0; i < hc->nfree; i++) {
|
|
356
|
2103 ngx_pfree(c->pool, hc->free[i]->start);
|
|
0
|
2104 hc->free[i] = NULL;
|
|
|
2105 }
|
|
|
2106
|
|
|
2107 hc->nfree = 0;
|
|
|
2108 }
|
|
|
2109
|
|
10
|
2110 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "hc busy: %p %d",
|
|
0
|
2111 hc->busy, hc->nbusy);
|
|
|
2112
|
|
|
2113 if (hc->busy) {
|
|
|
2114 for (i = 0; i < hc->nbusy; i++) {
|
|
356
|
2115 ngx_pfree(c->pool, hc->busy[i]->start);
|
|
0
|
2116 hc->busy[i] = NULL;
|
|
|
2117 }
|
|
|
2118
|
|
|
2119 hc->nbusy = 0;
|
|
|
2120 }
|
|
|
2121
|
|
358
|
2122 #if (NGX_HTTP_SSL)
|
|
|
2123 if (c->ssl) {
|
|
|
2124 ngx_ssl_free_buffer(c);
|
|
|
2125 }
|
|
|
2126 #endif
|
|
|
2127
|
|
58
|
2128 rev->handler = ngx_http_keepalive_handler;
|
|
0
|
2129
|
|
132
|
2130 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
|
2131 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
|
2132 ngx_http_close_connection(c);
|
|
|
2133 return;
|
|
0
|
2134 }
|
|
|
2135 }
|
|
|
2136
|
|
32
|
2137 c->log->action = "keepalive";
|
|
0
|
2138
|
|
|
2139 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
|
|
50
|
2140 if (ngx_tcp_push(c->fd) == -1) {
|
|
0
|
2141 ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed");
|
|
|
2142 ngx_http_close_connection(c);
|
|
|
2143 return;
|
|
|
2144 }
|
|
2
|
2145
|
|
0
|
2146 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
|
|
22
|
2147 tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0;
|
|
2
|
2148
|
|
|
2149 } else {
|
|
22
|
2150 tcp_nodelay = 1;
|
|
|
2151 }
|
|
|
2152
|
|
32
|
2153 if (tcp_nodelay
|
|
|
2154 && clcf->tcp_nodelay
|
|
|
2155 && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET)
|
|
|
2156 {
|
|
22
|
2157 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay");
|
|
|
2158
|
|
|
2159 if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
|
|
184
|
2160 (const void *) &tcp_nodelay, sizeof(int))
|
|
|
2161 == -1)
|
|
22
|
2162 {
|
|
|
2163 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2164 "setsockopt(TCP_NODELAY) failed");
|
|
|
2165 ngx_http_close_connection(c);
|
|
|
2166 return;
|
|
2
|
2167 }
|
|
22
|
2168
|
|
32
|
2169 c->tcp_nodelay = NGX_TCP_NODELAY_SET;
|
|
0
|
2170 }
|
|
|
2171
|
|
|
2172 #if 0
|
|
4
|
2173 /* if ngx_http_request_t was freed then we need some other place */
|
|
0
|
2174 r->http_state = NGX_HTTP_KEEPALIVE_STATE;
|
|
|
2175 #endif
|
|
|
2176
|
|
290
|
2177 c->idle = 1;
|
|
|
2178
|
|
0
|
2179 if (rev->ready) {
|
|
|
2180 ngx_http_keepalive_handler(rev);
|
|
|
2181 }
|
|
|
2182 }
|
|
|
2183
|
|
|
2184
|
|
50
|
2185 static void
|
|
|
2186 ngx_http_keepalive_handler(ngx_event_t *rev)
|
|
0
|
2187 {
|
|
50
|
2188 size_t size;
|
|
|
2189 ssize_t n;
|
|
|
2190 ngx_buf_t *b;
|
|
|
2191 ngx_connection_t *c;
|
|
0
|
2192
|
|
|
2193 c = rev->data;
|
|
|
2194
|
|
|
2195 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http keepalive handler");
|
|
|
2196
|
|
290
|
2197 if (rev->timedout || c->close) {
|
|
0
|
2198 ngx_http_close_connection(c);
|
|
|
2199 return;
|
|
|
2200 }
|
|
|
2201
|
|
18
|
2202 #if (NGX_HAVE_KQUEUE)
|
|
0
|
2203
|
|
4
|
2204 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
136
|
2205 if (rev->pending_eof) {
|
|
32
|
2206 c->log->handler = NULL;
|
|
0
|
2207 ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
10
|
2208 "kevent() reported that client %V closed "
|
|
32
|
2209 "keepalive connection", &c->addr_text);
|
|
22
|
2210 #if (NGX_HTTP_SSL)
|
|
|
2211 if (c->ssl) {
|
|
96
|
2212 c->ssl->no_send_shutdown = 1;
|
|
22
|
2213 }
|
|
|
2214 #endif
|
|
0
|
2215 ngx_http_close_connection(c);
|
|
|
2216 return;
|
|
|
2217 }
|
|
|
2218 }
|
|
|
2219
|
|
|
2220 #endif
|
|
|
2221
|
|
|
2222 b = c->buffer;
|
|
|
2223 size = b->end - b->start;
|
|
|
2224
|
|
|
2225 if (b->pos == NULL) {
|
|
4
|
2226
|
|
|
2227 /*
|
|
|
2228 * The c->buffer's memory was freed by ngx_http_set_keepalive().
|
|
|
2229 * However, the c->buffer->start and c->buffer->end were not changed
|
|
|
2230 * to keep the buffer size.
|
|
|
2231 */
|
|
|
2232
|
|
50
|
2233 b->pos = ngx_palloc(c->pool, size);
|
|
|
2234 if (b->pos == NULL) {
|
|
0
|
2235 ngx_http_close_connection(c);
|
|
|
2236 return;
|
|
|
2237 }
|
|
|
2238
|
|
|
2239 b->start = b->pos;
|
|
|
2240 b->last = b->pos;
|
|
|
2241 b->end = b->pos + size;
|
|
|
2242 }
|
|
|
2243
|
|
|
2244 /*
|
|
|
2245 * MSIE closes a keepalive connection with RST flag
|
|
|
2246 * so we ignore ECONNRESET here.
|
|
|
2247 */
|
|
|
2248
|
|
|
2249 c->log_error = NGX_ERROR_IGNORE_ECONNRESET;
|
|
|
2250 ngx_set_socket_errno(0);
|
|
|
2251
|
|
|
2252 n = c->recv(c, b->last, size);
|
|
|
2253 c->log_error = NGX_ERROR_INFO;
|
|
|
2254
|
|
|
2255 if (n == NGX_AGAIN) {
|
|
58
|
2256 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
24
|
2257 ngx_http_close_connection(c);
|
|
|
2258 }
|
|
|
2259
|
|
0
|
2260 return;
|
|
|
2261 }
|
|
|
2262
|
|
|
2263 if (n == NGX_ERROR) {
|
|
|
2264 ngx_http_close_connection(c);
|
|
|
2265 return;
|
|
|
2266 }
|
|
|
2267
|
|
32
|
2268 c->log->handler = NULL;
|
|
0
|
2269
|
|
|
2270 if (n == 0) {
|
|
|
2271 ngx_log_error(NGX_LOG_INFO, c->log, ngx_socket_errno,
|
|
32
|
2272 "client %V closed keepalive connection", &c->addr_text);
|
|
0
|
2273 ngx_http_close_connection(c);
|
|
|
2274 return;
|
|
|
2275 }
|
|
|
2276
|
|
|
2277 b->last += n;
|
|
32
|
2278
|
|
116
|
2279 #if (NGX_STAT_STUB)
|
|
|
2280 ngx_atomic_fetch_add(ngx_stat_reading, 1);
|
|
|
2281 #endif
|
|
|
2282
|
|
32
|
2283 c->log->handler = ngx_http_log_error;
|
|
|
2284 c->log->action = "reading client request line";
|
|
0
|
2285
|
|
290
|
2286 c->idle = 0;
|
|
|
2287
|
|
0
|
2288 ngx_http_init_request(rev);
|
|
|
2289 }
|
|
|
2290
|
|
|
2291
|
|
50
|
2292 static void
|
|
|
2293 ngx_http_set_lingering_close(ngx_http_request_t *r)
|
|
126
|
2294 {
|
|
0
|
2295 ngx_event_t *rev, *wev;
|
|
|
2296 ngx_connection_t *c;
|
|
|
2297 ngx_http_core_loc_conf_t *clcf;
|
|
|
2298
|
|
|
2299 c = r->connection;
|
|
|
2300
|
|
|
2301 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2302
|
|
|
2303 rev = c->read;
|
|
58
|
2304 rev->handler = ngx_http_lingering_close_handler;
|
|
0
|
2305
|
|
106
|
2306 r->lingering_time = ngx_time() + (time_t) (clcf->lingering_time / 1000);
|
|
0
|
2307 ngx_add_timer(rev, clcf->lingering_timeout);
|
|
|
2308
|
|
58
|
2309 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
0
|
2310 ngx_http_close_request(r, 0);
|
|
|
2311 return;
|
|
|
2312 }
|
|
|
2313
|
|
|
2314 wev = c->write;
|
|
58
|
2315 wev->handler = ngx_http_empty_handler;
|
|
0
|
2316
|
|
132
|
2317 if (wev->active && (ngx_event_flags & NGX_USE_LEVEL_EVENT)) {
|
|
|
2318 if (ngx_del_event(wev, NGX_WRITE_EVENT, 0) == NGX_ERROR) {
|
|
|
2319 ngx_http_close_request(r, 0);
|
|
|
2320 return;
|
|
0
|
2321 }
|
|
|
2322 }
|
|
|
2323
|
|
|
2324 if (ngx_shutdown_socket(c->fd, NGX_WRITE_SHUTDOWN) == -1) {
|
|
|
2325 ngx_connection_error(c, ngx_socket_errno,
|
|
|
2326 ngx_shutdown_socket_n " failed");
|
|
|
2327 ngx_http_close_request(r, 0);
|
|
|
2328 return;
|
|
|
2329 }
|
|
|
2330
|
|
|
2331 if (rev->ready) {
|
|
|
2332 ngx_http_lingering_close_handler(rev);
|
|
|
2333 }
|
|
|
2334 }
|
|
|
2335
|
|
|
2336
|
|
50
|
2337 static void
|
|
|
2338 ngx_http_lingering_close_handler(ngx_event_t *rev)
|
|
0
|
2339 {
|
|
|
2340 ssize_t n;
|
|
|
2341 ngx_msec_t timer;
|
|
|
2342 ngx_connection_t *c;
|
|
|
2343 ngx_http_request_t *r;
|
|
|
2344 ngx_http_core_loc_conf_t *clcf;
|
|
|
2345 u_char buffer[NGX_HTTP_LINGERING_BUFFER_SIZE];
|
|
|
2346
|
|
|
2347 c = rev->data;
|
|
|
2348 r = c->data;
|
|
|
2349
|
|
|
2350 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2351 "http lingering close handler");
|
|
|
2352
|
|
|
2353 if (rev->timedout) {
|
|
126
|
2354 c->timedout = 1;
|
|
0
|
2355 ngx_http_close_request(r, 0);
|
|
|
2356 return;
|
|
|
2357 }
|
|
|
2358
|
|
346
|
2359 timer = (ngx_msec_t) (r->lingering_time - ngx_time());
|
|
0
|
2360 if (timer <= 0) {
|
|
|
2361 ngx_http_close_request(r, 0);
|
|
|
2362 return;
|
|
|
2363 }
|
|
|
2364
|
|
|
2365 do {
|
|
|
2366 n = c->recv(c, buffer, NGX_HTTP_LINGERING_BUFFER_SIZE);
|
|
|
2367
|
|
|
2368 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "lingering read: %d", n);
|
|
|
2369
|
|
|
2370 if (n == NGX_ERROR || n == 0) {
|
|
|
2371 ngx_http_close_request(r, 0);
|
|
|
2372 return;
|
|
|
2373 }
|
|
|
2374
|
|
|
2375 } while (rev->ready);
|
|
|
2376
|
|
58
|
2377 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
|
|
26
|
2378 ngx_http_close_request(r, 0);
|
|
24
|
2379 return;
|
|
|
2380 }
|
|
|
2381
|
|
0
|
2382 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2383
|
|
|
2384 timer *= 1000;
|
|
|
2385
|
|
|
2386 if (timer > clcf->lingering_timeout) {
|
|
|
2387 timer = clcf->lingering_timeout;
|
|
|
2388 }
|
|
|
2389
|
|
|
2390 ngx_add_timer(rev, timer);
|
|
|
2391 }
|
|
|
2392
|
|
|
2393
|
|
50
|
2394 void
|
|
|
2395 ngx_http_empty_handler(ngx_event_t *wev)
|
|
0
|
2396 {
|
|
|
2397 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http empty handler");
|
|
|
2398
|
|
|
2399 return;
|
|
|
2400 }
|
|
|
2401
|
|
|
2402
|
|
58
|
2403 void
|
|
|
2404 ngx_http_request_empty_handler(ngx_http_request_t *r)
|
|
|
2405 {
|
|
|
2406 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
132
|
2407 "http request empty handler");
|
|
58
|
2408
|
|
|
2409 return;
|
|
|
2410 }
|
|
|
2411
|
|
|
2412
|
|
50
|
2413 ngx_int_t
|
|
130
|
2414 ngx_http_send_special(ngx_http_request_t *r, ngx_uint_t flags)
|
|
0
|
2415 {
|
|
|
2416 ngx_buf_t *b;
|
|
|
2417 ngx_chain_t out;
|
|
|
2418
|
|
50
|
2419 b = ngx_calloc_buf(r->pool);
|
|
|
2420 if (b == NULL) {
|
|
0
|
2421 return NGX_ERROR;
|
|
|
2422 }
|
|
|
2423
|
|
130
|
2424 if (flags & NGX_HTTP_LAST) {
|
|
|
2425 b->last_buf = 1;
|
|
|
2426 }
|
|
|
2427
|
|
|
2428 if (flags & NGX_HTTP_FLUSH) {
|
|
|
2429 b->flush = 1;
|
|
|
2430 }
|
|
|
2431
|
|
0
|
2432 out.buf = b;
|
|
|
2433 out.next = NULL;
|
|
|
2434
|
|
|
2435 return ngx_http_output_filter(r, &out);
|
|
|
2436 }
|
|
|
2437
|
|
|
2438
|
|
162
|
2439 static ngx_int_t
|
|
|
2440 ngx_http_post_action(ngx_http_request_t *r)
|
|
|
2441 {
|
|
|
2442 ngx_http_core_loc_conf_t *clcf;
|
|
|
2443
|
|
|
2444 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2445
|
|
|
2446 if (clcf->post_action.data == NULL) {
|
|
|
2447 return NGX_DECLINED;
|
|
|
2448 }
|
|
|
2449
|
|
172
|
2450 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
2451 "post action: \"%V\"", &clcf->post_action);
|
|
|
2452
|
|
162
|
2453 r->http_version = NGX_HTTP_VERSION_9;
|
|
|
2454 r->header_only = 1;
|
|
178
|
2455 r->post_action = 1;
|
|
162
|
2456
|
|
326
|
2457 r->read_event_handler = ngx_http_block_reading;
|
|
262
|
2458
|
|
366
|
2459 if (clcf->post_action.data[0] == '/') {
|
|
|
2460 ngx_http_internal_redirect(r, &clcf->post_action, NULL);
|
|
|
2461
|
|
|
2462 } else {
|
|
|
2463 ngx_http_named_location(r, &clcf->post_action);
|
|
|
2464 }
|
|
162
|
2465
|
|
|
2466 return NGX_OK;
|
|
|
2467 }
|
|
|
2468
|
|
|
2469
|
|
|
2470 static void
|
|
58
|
2471 ngx_http_close_request(ngx_http_request_t *r, ngx_int_t error)
|
|
0
|
2472 {
|
|
188
|
2473 ngx_connection_t *c;
|
|
118
|
2474
|
|
|
2475 c = r->connection;
|
|
188
|
2476
|
|
|
2477 ngx_http_request_done(r->main, error);
|
|
118
|
2478 ngx_http_close_connection(c);
|
|
|
2479 }
|
|
|
2480
|
|
|
2481
|
|
162
|
2482 static void
|
|
118
|
2483 ngx_http_request_done(ngx_http_request_t *r, ngx_int_t error)
|
|
|
2484 {
|
|
|
2485 ngx_log_t *log;
|
|
130
|
2486 ngx_uint_t i, n;
|
|
118
|
2487 struct linger linger;
|
|
188
|
2488 ngx_http_cleanup_t *cln;
|
|
118
|
2489 ngx_http_log_ctx_t *ctx;
|
|
130
|
2490 ngx_http_handler_pt *log_handler;
|
|
118
|
2491 ngx_http_core_loc_conf_t *clcf;
|
|
|
2492 ngx_http_core_main_conf_t *cmcf;
|
|
0
|
2493
|
|
|
2494 log = r->connection->log;
|
|
|
2495
|
|
|
2496 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http close request");
|
|
|
2497
|
|
|
2498 if (r->pool == NULL) {
|
|
80
|
2499 ngx_log_error(NGX_LOG_ALERT, log, 0, "http request already closed");
|
|
0
|
2500 return;
|
|
|
2501 }
|
|
|
2502
|
|
188
|
2503 for (cln = r->cleanup; cln; cln = cln->next) {
|
|
|
2504 if (cln->handler) {
|
|
|
2505 cln->handler(cln->data);
|
|
|
2506 }
|
|
|
2507 }
|
|
|
2508
|
|
0
|
2509 #if (NGX_STAT_STUB)
|
|
116
|
2510
|
|
0
|
2511 if (r->stat_reading) {
|
|
110
|
2512 ngx_atomic_fetch_add(ngx_stat_reading, -1);
|
|
0
|
2513 }
|
|
|
2514
|
|
|
2515 if (r->stat_writing) {
|
|
110
|
2516 ngx_atomic_fetch_add(ngx_stat_writing, -1);
|
|
0
|
2517 }
|
|
116
|
2518
|
|
0
|
2519 #endif
|
|
|
2520
|
|
|
2521 if (error && r->headers_out.status == 0) {
|
|
|
2522 r->headers_out.status = error;
|
|
|
2523 }
|
|
|
2524
|
|
118
|
2525 cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
2526
|
|
130
|
2527 log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
|
|
|
2528 n = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.nelts;
|
|
|
2529 for (i = 0; i < n; i++) {
|
|
|
2530 log_handler[i](r);
|
|
118
|
2531 }
|
|
0
|
2532
|
|
|
2533 if (r->connection->timedout) {
|
|
|
2534 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
2535
|
|
|
2536 if (clcf->reset_timedout_connection) {
|
|
58
|
2537 linger.l_onoff = 1;
|
|
|
2538 linger.l_linger = 0;
|
|
0
|
2539
|
|
|
2540 if (setsockopt(r->connection->fd, SOL_SOCKET, SO_LINGER,
|
|
58
|
2541 (const void *) &linger, sizeof(struct linger)) == -1)
|
|
0
|
2542 {
|
|
|
2543 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
|
|
|
2544 "setsockopt(SO_LINGER) failed");
|
|
|
2545 }
|
|
|
2546 }
|
|
|
2547 }
|
|
|
2548
|
|
58
|
2549 /* the various request strings were allocated from r->pool */
|
|
0
|
2550 ctx = log->data;
|
|
10
|
2551 ctx->request = NULL;
|
|
0
|
2552
|
|
|
2553 r->request_line.len = 0;
|
|
|
2554
|
|
132
|
2555 r->connection->destroyed = 1;
|
|
|
2556
|
|
0
|
2557 ngx_destroy_pool(r->pool);
|
|
|
2558 }
|
|
|
2559
|
|
|
2560
|
|
80
|
2561 static void
|
|
50
|
2562 ngx_http_close_connection(ngx_connection_t *c)
|
|
0
|
2563 {
|
|
28
|
2564 ngx_pool_t *pool;
|
|
|
2565
|
|
0
|
2566 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
|
2567 "close http connection: %d", c->fd);
|
|
|
2568
|
|
88
|
2569 #if (NGX_HTTP_SSL)
|
|
2
|
2570
|
|
|
2571 if (c->ssl) {
|
|
|
2572 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
126
|
2573 c->ssl->handler = ngx_http_close_connection;
|
|
2
|
2574 return;
|
|
|
2575 }
|
|
|
2576 }
|
|
|
2577
|
|
|
2578 #endif
|
|
|
2579
|
|
0
|
2580 #if (NGX_STAT_STUB)
|
|
110
|
2581 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
0
|
2582 #endif
|
|
|
2583
|
|
132
|
2584 c->destroyed = 1;
|
|
|
2585
|
|
28
|
2586 pool = c->pool;
|
|
|
2587
|
|
0
|
2588 ngx_close_connection(c);
|
|
28
|
2589
|
|
50
|
2590 ngx_destroy_pool(pool);
|
|
0
|
2591 }
|
|
|
2592
|
|
|
2593
|
|
50
|
2594 static u_char *
|
|
|
2595 ngx_http_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
0
|
2596 {
|
|
32
|
2597 u_char *p;
|
|
54
|
2598 ngx_http_request_t *r;
|
|
32
|
2599 ngx_http_log_ctx_t *ctx;
|
|
10
|
2600
|
|
32
|
2601 if (log->action) {
|
|
58
|
2602 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
10
|
2603 len -= p - buf;
|
|
54
|
2604 buf = p;
|
|
10
|
2605 }
|
|
|
2606
|
|
58
|
2607 ctx = log->data;
|
|
|
2608
|
|
362
|
2609 p = ngx_snprintf(buf, len, ", client: %V", &ctx->connection->addr_text);
|
|
58
|
2610 len -= p - buf;
|
|
54
|
2611
|
|
|
2612 r = ctx->request;
|
|
|
2613
|
|
58
|
2614 if (r) {
|
|
214
|
2615 return r->log_handler(r, ctx->current_request, p, len);
|
|
362
|
2616
|
|
|
2617 } else {
|
|
|
2618 p = ngx_snprintf(p, len, ", server: %V",
|
|
|
2619 &ctx->connection->listening->addr_text);
|
|
0
|
2620 }
|
|
10
|
2621
|
|
58
|
2622 return p;
|
|
|
2623 }
|
|
|
2624
|
|
|
2625
|
|
|
2626 static u_char *
|
|
214
|
2627 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
|
|
|
2628 u_char *buf, size_t len)
|
|
58
|
2629 {
|
|
362
|
2630 char *uri_separator;
|
|
|
2631 u_char *p;
|
|
|
2632 ngx_http_upstream_t *u;
|
|
|
2633 ngx_http_core_srv_conf_t *cscf;
|
|
|
2634
|
|
|
2635 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
2636
|
|
|
2637 p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
|
|
|
2638 len -= p - buf;
|
|
|
2639 buf = p;
|
|
52
|
2640
|
|
348
|
2641 if (r->request_line.data == NULL && r->request_start) {
|
|
|
2642 for (p = r->request_start; p < r->header_in->last; p++) {
|
|
|
2643 if (*p == CR || *p == LF) {
|
|
|
2644 break;
|
|
|
2645 }
|
|
|
2646 }
|
|
|
2647
|
|
|
2648 r->request_line.len = p - r->request_start;
|
|
|
2649 r->request_line.data = r->request_start;
|
|
|
2650 }
|
|
|
2651
|
|
|
2652 if (r->request_line.len) {
|
|
|
2653 p = ngx_snprintf(buf, len, ", request: \"%V\"", &r->request_line);
|
|
54
|
2654 len -= p - buf;
|
|
|
2655 buf = p;
|
|
10
|
2656 }
|
|
|
2657
|
|
214
|
2658 if (r != sr) {
|
|
|
2659 p = ngx_snprintf(buf, len, ", subrequest: \"%V\"", &sr->uri);
|
|
|
2660 len -= p - buf;
|
|
|
2661 buf = p;
|
|
|
2662 }
|
|
|
2663
|
|
|
2664 u = sr->upstream;
|
|
|
2665
|
|
260
|
2666 if (u && u->peer.name) {
|
|
|
2667
|
|
|
2668 uri_separator = "";
|
|
|
2669
|
|
|
2670 #if (NGX_HAVE_UNIX_DOMAIN)
|
|
|
2671 if (u->peer.sockaddr && u->peer.sockaddr->sa_family == AF_UNIX) {
|
|
|
2672 uri_separator = ":";
|
|
|
2673 }
|
|
|
2674 #endif
|
|
214
|
2675
|
|
|
2676 p = ngx_snprintf(buf, len, ", upstream: \"%V%V%s%V\"",
|
|
348
|
2677 &u->schema, u->peer.name,
|
|
260
|
2678 uri_separator, &u->uri);
|
|
214
|
2679 len -= p - buf;
|
|
|
2680 buf = p;
|
|
|
2681 }
|
|
|
2682
|
|
54
|
2683 if (r->headers_in.host) {
|
|
|
2684 p = ngx_snprintf(buf, len, ", host: \"%V\"",
|
|
|
2685 &r->headers_in.host->value);
|
|
|
2686 len -= p - buf;
|
|
|
2687 buf = p;
|
|
|
2688 }
|
|
|
2689
|
|
|
2690 if (r->headers_in.referer) {
|
|
|
2691 p = ngx_snprintf(buf, len, ", referrer: \"%V\"",
|
|
|
2692 &r->headers_in.referer->value);
|
|
|
2693 buf = p;
|
|
|
2694 }
|
|
|
2695
|
|
|
2696 return buf;
|
|
|
2697 }
|
